[GUIDE][ROOT] QLink Scepter 8 Bootloader Unlocking & Rooting Guide

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rustable

New member
Aug 3, 2022
3
0
im having an issue of the device showing up in fastboot, ive done everything, but when i try to install the drivers with device manager it doesnt show up at all
 

SunSlide

Member
Mar 18, 2022
34
10
im having an issue of the device showing up in fastboot, ive done everything, but when i try to install the drivers with device manager it doesnt show up at all
Windows i assume? Viva has writen exstensive tutorials specificaly on setting everything up for this device. Take note of his setting up usb drivers. Really the only driver you should be installing is the 15-second driver.

Furthermore I'll ask what you have tried? are you sure your getting into fastboot. what commands are you using?
 

rustable

New member
Aug 3, 2022
3
0
Windows i assume? Viva has writen exstensive tutorials specificaly on setting everything up for this device. Take note of his setting up usb drivers. Really the only driver you should be installing is the 15-second driver.

Furthermore I'll ask what you have tried? are you sure your getting into fastboot. what commands are you using?
ive done the 15 second thing, go into fastboot and the phone never shows up, even tried that script that makes it easier and still wont work
 

Viva La Android

Senior Member
Already did that, tried the device manager thing and it just didn't show up there, did the same with the phone not in fastboot and didn't work either
It should be showing up somewhere in Device Manager. You may just not be seeing it under an obscure heading. Do this: while Device Manager is open, disconnect the tablet for a few seconds and then reconnect it. If Device Manager closes and then refreshes its list, then it is recognizing your tablet. It's just a matter of using before-and-after deduction to find it on the list. Once you find what Device Manager heading it's under, let me know and I'll get you through it.
 
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Stash0369

Member
Aug 16, 2022
5
2
QLINK Scepter 8 Tablet

View attachment 5550933
Guide for Unlocking the
Bootloader & Rooting

OVERVIEW:
After a rather lengthy back-and-forth colloquy with Hot Pepper Mobile, we have finally been given access to factory firmware images for this tablet. To Hot Pepper Mobile's credit, most of the delay was due to a language translation issue regarding English to Chinese.
This guide will focus on two primary tasks: (1) unlocking the Scepter 8 bootloader; and (2) rooting the Scepter 8 using the latest stable release of Magisk. For purposes of this guide, we will be using the latest v9 firmware. If you have not yet updated to v9, head on over to my thread on restoring & upgrading the Scepter 8 firmware here Firmware Restoration Guide

I would like to emphasize that this guide should work regardless of your firmware build, due to backwards compatibility of the Android kernel & boot-ramdisk (boot.img). This method achieves root by way of flashing a Magisk patched boot image from the V9 firmware build to your /boot partition. Therefore, the V9 patched boot image I have provided below should be compatible with any firmware build which is V9 or prior. However, should you wish to unlock and root your tablet using a build prior to V9, keep in mind that applying OTA updates will be problematic while rooted. In sum, it is simply the best practice to first upgrade your tablet's firmware prior to attaining root access.


DISCLAIMER:
Unlocking your bootloader and rooting your device are both procedures that carry inherent risks. Because these procedures involve modifying the device from it's stock factory configuration, it is possible to corrupt, damage, or even render your tablet completely inoperable. By proceeding further, you are assuming sole responsibility for the integrity and operability of your device, and thus absolve me of any liability in the event something goes south. I have, however, tested these guides and feel confident that things will go smoothly as long as you follow the instructions carefully. Moreover, I encourage all members to fully read the instructions before starting the steps.

PLEASE PLAY NICE & FOLLOW RULES:
This thread was created with the intent of being a noob-friendly forum. This simply means that new and inexperienced members are fully welcome here, and will be provided with extra guidance and assistance if needed. Please keep in mind that XDA is a global community of developers, enthusiasts and device users. As such, and although English is the only permitted language in the forums & threads, not all members speak English as their first language, and often rely on text translation tools when asking questions & posting. Accordingly, it is very common for words to be misconstrued, meanings to be misinterpreted, and the context as a whole lost in translation. I ask members to be patient, compassionate and respectful to others on this thread. Those members with the knowledge to do so are urged and asked to help newer members, and recall back when you were new here and others helped you.
Please help me with keeping this thread on point by ensuring that all subject matter herein be kept relevant to the topics of rooting and OEM unlocking the QLink Scepter 8. Any posts about other devices or subject matter run afoul of XDA rules and are subject to removal by moderators -- and potential sanctions imposed upon the offending member. Moreover, an on-topic thread keeps things organized and easier to follow. Thank you for your consideration.


FIRMWARE INFO:
** This info corresponds to the Magisk patched boot image provided in the DOWNLOADS section.

• OS/Version: Android 11 (Go Edition)
• Build: Scepter_8_Tablet_V9_20220221
• Kernel Version: Linux v5.4.99
• Android Security Patch: 02/05/2022
• Build Date: February 21, 2022
• API Level: 30
• Partition Scheme: Dynamic A/B

PREREQUISITES:
To unlock the bootloader and root the QLink Scepter 8 tablet, you will need a laptop or PC running on Windows 7/8.1/10/11. (A Mac or Linux machine can also be used. For purposes of this guide, however, I am focusing on a Windows setup.) You will also need the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable. Last but not least, you will need to install compatible USB device drivers for ADB & Fastboot on your PC/laptop. I have included the 15-Second ADB Driver Installer below under the DOWNLOADS heading. This Installer will install ADB & Fastboot system-wide, as well as the Google USB device drivers.

•INSTALLING USB DEVICE DRIVERS•
This section is included to troubleshoot and fix issues involving your tablet not being recognized by Windows while connected in fastboot mode. If you are not experiencing fastboot recognition issues, you may skip this section and proceed to the bootloader unlocking section.
Many members have reported issues with device recognition while in fastboot mode. I have also noticed a persistence problem with Windows drivers on this tablet. I can manually update the driver using Windows Device Manager, enabling fastboot recognition; yet, once the tablet is disconnected from my PC the updated driver does not always persist, requiring a manual driver update each time fastboot mode is needed. Follow these steps to enable fastboot recognition of your device.
• 1. If you have not yet done so, install the 15-Second ADB Installer from the link below on your Windows PC or laptop. Open the utility and follow the prompts to install the ADB & Fastboot drivers. Opt to install ADB system-wide. Next you will be prompted to install the Google USB device drivers. Select Y and install them. You should see an interface informing you that the drivers were successfully installed. NOTE: If you get a warning notification that the drivers are unsigned, select the option to install anyway;
• 2. With your tablet powered off, hold the Power and Volume Down buttons simultaneously until the QLink logo appears, at which time you release the Power button but continue holding Volume Down. When a green Android graphic appears on your display, you are in fastboot mode;
• 3. Connect your tablet to your Windows machine using the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable;
• 4. Open a command window in the path of your ADB/Fastboot directory. Execute this command:
Code:
fastboot devices
If properly connected, the command window will return an alphanumeric string which is synonymous with your tablet serial number. If this occurs, you are finished with this section and may proceed to the instructions for unlocking the bootloader/rooting. If the command window displays Waiting on Any Device, or if your serial number is not displayed, continue with the following steps;
• 5. Keeping your device connected to your Windows PC/laptop, right click your Windows Start icon and select Device Manager. Locate your tablet in the menu. It will likely be located under either the Portable Devices or Android Device heading;
• 6. Right click your device and select Update Driver. Next, select Browse My Computer for Drivers. On the next screen choose the option for Let Me Pick From a List... Now you will see a list of drivers to select from. Depending on the manner in which Windows recognized your tablet in the Device Manager menu, the driver selection menu can vary. If you see an option for Android Device, select that option and then select Android Composite ADB Interface. Or, you may be directly presented with options for Android Bootloader Interface, Android ADB Interface and Android Composite ADB Interface. In any event, choose Android Composite ADB Interface and then click Next. Click Yes in the Update Driver Warning dialogue screen, at which time the drivers will be installed.
• 7. Return to your command window and again execute the fastboot devices command. If your serial number is displayed, your drivers are now properly installed. If you are still experiencing fastboot recognition issues, try using another data sync cable, change USB ports on your computer, and/or reinstall the drivers using the 15-Second ADB Installer.

I. UNLOCKING THE BOOTLOADER:
If you plan on rooting your tablet, this step is mandatory. If your bootloader is already unlocked and you wish to root your device, skip down to the rooting instructions below.
WARNING: Unlocking your bootloader forces the device into a factory data reset, which will effectively wipe all saved user data from the device. Make a backup at this point if there are files and media on your tablet that you wish to keep.
INSTRUCTIONS:
1. Enable Developer Options on your tablet by going to device Settings>About tablet and tap Build number approximately seven times. Android will notify you that Developer Options are enabled; this menu will appear under device Settings>System>Advanced.
2. Enable USB Debugging and OEM Unlocking in the Developer Options menu. NOTE: Users have reported the OEM Unlocking option being greyed-out unless you are signed in to your Google account.
3. Now to boot into fastboot mode, and this particular step is extremely important. Android 10 introduced a new fastboot mode for dynamic partitions, known as FASTBOOTD, which is relocated from the bootloader to userspace. This particular fastboot mode supports resizeable partitions within the dynamic scheme, and enables the user to create, resize and delete various logical partitions. However, FASTBOOTD mode cannot be utilized to unlock the bootloader, and will not recognize the oem unlock command. As such, the user must rely upon legacy fastboot mode in order to unlock the bootloader. From stock recovery mode, you may simply choose the option to reboot to bootloader. DO NOT CHOOSE THE OPTION TO ENTER FASTBOOT, as this option will boot to FASTBOOTD. From the Android OS, you can boot into legacy fastboot mode by executing:
Code:
adb reboot bootloader
Once you see a green Android graphic appear in the center your display, you are in the correct fastboot mode.
4. Connect your tablet to your PC/laptop using the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable. Next, open a command window in the path of your ADB/Fastboot directory. Check your connection by executing this command:
Code:
fastboot devices
If you are properly connected, the command window will return an alphanumeric string synonymous with your device's serial number. If you do not see this, there is a problem with communications between your tablet and PC/laptop. To troubleshoot the issue, switch to another USB port, try another data sync cable, and/or reinstall the ADB/Fastboot drivers on your PC or laptop. Also, see my instructions above on installing USB device drivers on your Windows computer;
5. Once a proper connection has been verified, execute this command:
Code:
fastboot oem unlock
Once you see the Okay notification in the command window, your bootloader is now unlocked. Execute this command:
Code:
fastboot reboot
Your tablet will now initiate a factory data reset and then reboot into the initial setup for the Android OS.

II. ROOTING THE QLINK SCEPTER 8
Once the bootloader has been unlocked, rooting this tablet is very straightforward. To simplify this guide, I am providing a pre-rooted boot image file in the DOWNLOADS section below. This boot image has been patched with the latest stable Magisk systemless root script.
INSTRUCTIONS:
1. Download the Magisk patched boot image using the link below and save the file on your PC/laptop in the ADB/Fastboot directory. Note that the file is named patched_boot.img. The flashing command below assumes that you leave this file name unchanged;
2. Go to device Settings>About tablet and tap Build number 7 times or until Developer Options are enabled. (This step is necessary if you unlocked your bootloader using the previous section, due to the factory data reset.) Enable USB Debugging in the Developer Options menu;
3. Power your tablet off. Hold the Power and Volume Down keys simultaneously until the QLink logo appears, at which time you release Power but continue holding Volume Down. The green Android will appear on the display to indicate fastboot mode;
4. Connect your tablet to your PC or laptop using a quality data sync cable. Verify your connection using the instructions in Step 4 of the bootloader unlocking section above;;
5. Once a solid connection is verified, execute these commands:​
Code:
fastboot flash boot patched_boot.img
fastboot reboot
NOTE: Your active boot slot should be boot_a. Regardless, the above command flashes your active slot by default, without having to specify slot _a or _b.
Upon reboot, your tablet will be rooted with the latest Magisk systemless root strategy. If you do not see the Magisk app or the stub in your app drawer, go ahead and download the latest version from the link below and install it on your tablet. Open the Magisk app, grant the prompted permissions, and follow any prompts to complete setting up the root environment.

DOWNLOADS:
15-Second Driver Installer v1.5.6
Magisk Patched Boot Image
Magisk GitHub Official Releases


THANKS & MENTIONS:
Thanks goes out to Hot Pepper Mobile CEO Shawn Sun and Support Specialist Joshua G for providing stock firmware images for this device. Also, thanks to @EmmaDearest for taking the initiative to extract the firmware and for preparing a pre-rooted boot image. Also, a big thanks to @13lack13ox for being a huge help to thread members at times when I am not able.



Where's the Magisk GitHub Official Releases link? When I clicked on it, nothing happens, like the link is gone. Is that something I'll need to complete my process??? And if so, Is there a working link somewhere else?
 

Stash0369

Member
Aug 16, 2022
5
2
QLINK Scepter 8 Tablet

View attachment 5550933
Guide for Unlocking the
Bootloader & Rooting

OVERVIEW:
After a rather lengthy back-and-forth colloquy with Hot Pepper Mobile, we have finally been given access to factory firmware images for this tablet. To Hot Pepper Mobile's credit, most of the delay was due to a language translation issue regarding English to Chinese.
This guide will focus on two primary tasks: (1) unlocking the Scepter 8 bootloader; and (2) rooting the Scepter 8 using the latest stable release of Magisk. For purposes of this guide, we will be using the latest v9 firmware. If you have not yet updated to v9, head on over to my thread on restoring & upgrading the Scepter 8 firmware here Firmware Restoration Guide

I would like to emphasize that this guide should work regardless of your firmware build, due to backwards compatibility of the Android kernel & boot-ramdisk (boot.img). This method achieves root by way of flashing a Magisk patched boot image from the V9 firmware build to your /boot partition. Therefore, the V9 patched boot image I have provided below should be compatible with any firmware build which is V9 or prior. However, should you wish to unlock and root your tablet using a build prior to V9, keep in mind that applying OTA updates will be problematic while rooted. In sum, it is simply the best practice to first upgrade your tablet's firmware prior to attaining root access.


DISCLAIMER:
Unlocking your bootloader and rooting your device are both procedures that carry inherent risks. Because these procedures involve modifying the device from it's stock factory configuration, it is possible to corrupt, damage, or even render your tablet completely inoperable. By proceeding further, you are assuming sole responsibility for the integrity and operability of your device, and thus absolve me of any liability in the event something goes south. I have, however, tested these guides and feel confident that things will go smoothly as long as you follow the instructions carefully. Moreover, I encourage all members to fully read the instructions before starting the steps.

PLEASE PLAY NICE & FOLLOW RULES:
This thread was created with the intent of being a noob-friendly forum. This simply means that new and inexperienced members are fully welcome here, and will be provided with extra guidance and assistance if needed. Please keep in mind that XDA is a global community of developers, enthusiasts and device users. As such, and although English is the only permitted language in the forums & threads, not all members speak English as their first language, and often rely on text translation tools when asking questions & posting. Accordingly, it is very common for words to be misconstrued, meanings to be misinterpreted, and the context as a whole lost in translation. I ask members to be patient, compassionate and respectful to others on this thread. Those members with the knowledge to do so are urged and asked to help newer members, and recall back when you were new here and others helped you.
Please help me with keeping this thread on point by ensuring that all subject matter herein be kept relevant to the topics of rooting and OEM unlocking the QLink Scepter 8. Any posts about other devices or subject matter run afoul of XDA rules and are subject to removal by moderators -- and potential sanctions imposed upon the offending member. Moreover, an on-topic thread keeps things organized and easier to follow. Thank you for your consideration.


FIRMWARE INFO:
** This info corresponds to the Magisk patched boot image provided in the DOWNLOADS section.

• OS/Version: Android 11 (Go Edition)
• Build: Scepter_8_Tablet_V9_20220221
• Kernel Version: Linux v5.4.99
• Android Security Patch: 02/05/2022
• Build Date: February 21, 2022
• API Level: 30
• Partition Scheme: Dynamic A/B

PREREQUISITES:
To unlock the bootloader and root the QLink Scepter 8 tablet, you will need a laptop or PC running on Windows 7/8.1/10/11. (A Mac or Linux machine can also be used. For purposes of this guide, however, I am focusing on a Windows setup.) You will also need the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable. Last but not least, you will need to install compatible USB device drivers for ADB & Fastboot on your PC/laptop. I have included the 15-Second ADB Driver Installer below under the DOWNLOADS heading. This Installer will install ADB & Fastboot system-wide, as well as the Google USB device drivers.

•INSTALLING USB DEVICE DRIVERS•
This section is included to troubleshoot and fix issues involving your tablet not being recognized by Windows while connected in fastboot mode. If you are not experiencing fastboot recognition issues, you may skip this section and proceed to the bootloader unlocking section.
Many members have reported issues with device recognition while in fastboot mode. I have also noticed a persistence problem with Windows drivers on this tablet. I can manually update the driver using Windows Device Manager, enabling fastboot recognition; yet, once the tablet is disconnected from my PC the updated driver does not always persist, requiring a manual driver update each time fastboot mode is needed. Follow these steps to enable fastboot recognition of your device.
• 1. If you have not yet done so, install the 15-Second ADB Installer from the link below on your Windows PC or laptop. Open the utility and follow the prompts to install the ADB & Fastboot drivers. Opt to install ADB system-wide. Next you will be prompted to install the Google USB device drivers. Select Y and install them. You should see an interface informing you that the drivers were successfully installed. NOTE: If you get a warning notification that the drivers are unsigned, select the option to install anyway;
• 2. With your tablet powered off, hold the Power and Volume Down buttons simultaneously until the QLink logo appears, at which time you release the Power button but continue holding Volume Down. When a green Android graphic appears on your display, you are in fastboot mode;
• 3. Connect your tablet to your Windows machine using the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable;
• 4. Open a command window in the path of your ADB/Fastboot directory. Execute this command:
Code:
fastboot devices
If properly connected, the command window will return an alphanumeric string which is synonymous with your tablet serial number. If this occurs, you are finished with this section and may proceed to the instructions for unlocking the bootloader/rooting. If the command window displays Waiting on Any Device, or if your serial number is not displayed, continue with the following steps;
• 5. Keeping your device connected to your Windows PC/laptop, right click your Windows Start icon and select Device Manager. Locate your tablet in the menu. It will likely be located under either the Portable Devices or Android Device heading;
• 6. Right click your device and select Update Driver. Next, select Browse My Computer for Drivers. On the next screen choose the option for Let Me Pick From a List... Now you will see a list of drivers to select from. Depending on the manner in which Windows recognized your tablet in the Device Manager menu, the driver selection menu can vary. If you see an option for Android Device, select that option and then select Android Composite ADB Interface. Or, you may be directly presented with options for Android Bootloader Interface, Android ADB Interface and Android Composite ADB Interface. In any event, choose Android Composite ADB Interface and then click Next. Click Yes in the Update Driver Warning dialogue screen, at which time the drivers will be installed.
• 7. Return to your command window and again execute the fastboot devices command. If your serial number is displayed, your drivers are now properly installed. If you are still experiencing fastboot recognition issues, try using another data sync cable, change USB ports on your computer, and/or reinstall the drivers using the 15-Second ADB Installer.

I. UNLOCKING THE BOOTLOADER:
If you plan on rooting your tablet, this step is mandatory. If your bootloader is already unlocked and you wish to root your device, skip down to the rooting instructions below.
WARNING: Unlocking your bootloader forces the device into a factory data reset, which will effectively wipe all saved user data from the device. Make a backup at this point if there are files and media on your tablet that you wish to keep.
INSTRUCTIONS:
1. Enable Developer Options on your tablet by going to device Settings>About tablet and tap Build number approximately seven times. Android will notify you that Developer Options are enabled; this menu will appear under device Settings>System>Advanced.
2. Enable USB Debugging and OEM Unlocking in the Developer Options menu. NOTE: Users have reported the OEM Unlocking option being greyed-out unless you are signed in to your Google account.
3. Now to boot into fastboot mode, and this particular step is extremely important. Android 10 introduced a new fastboot mode for dynamic partitions, known as FASTBOOTD, which is relocated from the bootloader to userspace. This particular fastboot mode supports resizeable partitions within the dynamic scheme, and enables the user to create, resize and delete various logical partitions. However, FASTBOOTD mode cannot be utilized to unlock the bootloader, and will not recognize the oem unlock command. As such, the user must rely upon legacy fastboot mode in order to unlock the bootloader. From stock recovery mode, you may simply choose the option to reboot to bootloader. DO NOT CHOOSE THE OPTION TO ENTER FASTBOOT, as this option will boot to FASTBOOTD. From the Android OS, you can boot into legacy fastboot mode by executing:
Code:
adb reboot bootloader
Once you see a green Android graphic appear in the center your display, you are in the correct fastboot mode.
4. Connect your tablet to your PC/laptop using the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable. Next, open a command window in the path of your ADB/Fastboot directory. Check your connection by executing this command:
Code:
fastboot devices
If you are properly connected, the command window will return an alphanumeric string synonymous with your device's serial number. If you do not see this, there is a problem with communications between your tablet and PC/laptop. To troubleshoot the issue, switch to another USB port, try another data sync cable, and/or reinstall the ADB/Fastboot drivers on your PC or laptop. Also, see my instructions above on installing USB device drivers on your Windows computer;
5. Once a proper connection has been verified, execute this command:
Code:
fastboot oem unlock
Once you see the Okay notification in the command window, your bootloader is now unlocked. Execute this command:
Code:
fastboot reboot
Your tablet will now initiate a factory data reset and then reboot into the initial setup for the Android OS.

II. ROOTING THE QLINK SCEPTER 8
Once the bootloader has been unlocked, rooting this tablet is very straightforward. To simplify this guide, I am providing a pre-rooted boot image file in the DOWNLOADS section below. This boot image has been patched with the latest stable Magisk systemless root script.
INSTRUCTIONS:
1. Download the Magisk patched boot image using the link below and save the file on your PC/laptop in the ADB/Fastboot directory. Note that the file is named patched_boot.img. The flashing command below assumes that you leave this file name unchanged;
2. Go to device Settings>About tablet and tap Build number 7 times or until Developer Options are enabled. (This step is necessary if you unlocked your bootloader using the previous section, due to the factory data reset.) Enable USB Debugging in the Developer Options menu;
3. Power your tablet off. Hold the Power and Volume Down keys simultaneously until the QLink logo appears, at which time you release Power but continue holding Volume Down. The green Android will appear on the display to indicate fastboot mode;
4. Connect your tablet to your PC or laptop using a quality data sync cable. Verify your connection using the instructions in Step 4 of the bootloader unlocking section above;;
5. Once a solid connection is verified, execute these commands:​
Code:
fastboot flash boot patched_boot.img
fastboot reboot
NOTE: Your active boot slot should be boot_a. Regardless, the above command flashes your active slot by default, without having to specify slot _a or _b.
Upon reboot, your tablet will be rooted with the latest Magisk systemless root strategy. If you do not see the Magisk app or the stub in your app drawer, go ahead and download the latest version from the link below and install it on your tablet. Open the Magisk app, grant the prompted permissions, and follow any prompts to complete setting up the root environment.

DOWNLOADS:
15-Second Driver Installer v1.5.6
Magisk Patched Boot Image
Magisk GitHub Official Releases


THANKS & MENTIONS:
Thanks goes out to Hot Pepper Mobile CEO Shawn Sun and Support Specialist Joshua G for providing stock firmware images for this device. Also, thanks to @EmmaDearest for taking the initiative to extract the firmware and for preparing a pre-rooted boot image. Also, a big thanks to @13lack13ox for being a huge help to thread members at times when I am not able.



 

Benevolent.Winds

New member
Aug 25, 2022
1
0
Thanks for all your work and effort. First timer. Everything is going good so far. Stuck at flashing the img. Put it in the adb folder created on main Local Disk C. Yet when I enter the command, I am told error, no such file or directory?

UPDATED*

A twrp install video provided the solution. Was not aware I needed to write out the full pathway. Snappier. Thanks for all the dedication.
 
Last edited:
Aug 18, 2022
42
18
I posted this on the other thread, but it applies here too.

You may find my experience helpful, and I am glad to pass it on. I am using a Debian 11 (Bullseye) OS with Xfce 4.16 installed. My tablet is the early cheapo from q-link.

After trying with Linux and getting mislead into using windows, I had nothing but confusion and problems. As a last ditch effort, I went back to my Linux desktop and started fresh. Here are the simple steps.

First, open Synaptic Package Manager to install ADB, Fastboot and android-sdk-platform-tools. (Not sure I needed the last one.) USB device drivers appear to be already installed.

Pressed power button on tablet and entered regular system.

Followed steps to enter Developer mode.

Turn off lock and USB debugging.,

Shutdown tablet.

Held volume-down and power buttons until text came on screen and then release power button. Release volume-down button when green android appears.

Plug in cable from tablet to computer.

Open terminal window.

Type in:
fastboot devices
and press Enter.

See tablet's alphnumeric text string listed there.

Type in:
fastboot oem unlock
and press Enter.

See that it states that it is unlocked.

Download the patched_boot.img file.

Go back to terminal window and change directory to location of the img file.

Type in:
fastboot flash boot ./patched_boot.img
and press Enter.

You might get back something like::
Invalid sparse file format at header magic
Sending sparse 'boot' 1/2 (32764 KB) OKAY [ 1.317s]
Writing 'boot' OKAY [ 2.596s]
Sending sparse 'boot' 2/2 (1408 KB) OKAY [ 0.083s]
Writing 'boot' OKAY [ 1.871s]
Finished. Total time: 5.964s

Type in:
fastboot reboot
and get back:
Rebooting OKAY [ 0.008s]
Finished. Total time: 1.761s

Let everything sit for a while and then hear tones from the tablet.

Type in:
fastboot devices
and get back nothing. (Evidently the tablet rebooted and came back on in different mode.)

When I pressed the power button once, the screen lit up and showed the desktop screen. It was ready for use.

I liked how easy that was to accomplish the task on my regular desktop. (I strongly recommend every windows user to set up a dual-boot and include some Linux distro on their systems. After using it for a time, you'll never go back. ;))
 

ScarletWizard

Senior Member
Aug 31, 2022
136
23
OnePlus Nord N20 5G
l successfully unlocked boot loader. i failed the root, tablet is bricked, stuck on qlink logo . ive waited 1 hour still stuck.

output was
C:\adb>fastboot flash boot patched_boot.img
Invalid sparse file format at header magic
Sending sparse 'boot' 1/2 (32764 KB) OKAY [ 1.313s]
Writing 'boot' OKAY [ 2.779s]
Sending sparse 'boot' 2/2 (1408 KB) OKAY [ 0.081s]
Writing 'boot' OKAY [ 2.550s]
Finished. Total time: 6.870s

C:\adb>fastboot reboot
Rebooting OKAY [ 0.002s]
Finished. Total time: 0.013s


tablet came with androis 12 go laptop is windows 11. please help me fix and root this tablet
 

Viva La Android

Senior Member
l successfully unlocked boot loader. i failed the root, tablet is bricked, stuck on qlink logo . ive waited 1 hour still stuck.

output was
C:\adb>fastboot flash boot patched_boot.img
Invalid sparse file format at header magic
Sending sparse 'boot' 1/2 (32764 KB) OKAY [ 1.313s]
Writing 'boot' OKAY [ 2.779s]
Sending sparse 'boot' 2/2 (1408 KB) OKAY [ 0.081s]
Writing 'boot' OKAY [ 2.550s]
Finished. Total time: 6.870s

C:\adb>fastboot reboot
Rebooting OKAY [ 0.002s]
Finished. Total time: 0.013s


tablet came with androis 12 go laptop is windows 11. please help me fix and root this tablet
So which patched boot image did you flash? Im guessing you flashed the Android 11 Go Edition boot image. This is why you are stuck on the logo. No worries, you cant hard brick an Allwinner tablet. You need to flash a patched boot image that corresponds with the firmware installed on your variant. Did you read this statement in the beginning of the thread?
IMPORTANT NOTE:
This guide is strictly for the QLink Scepter 8 models that shipped with Android 11 Go Edition. I recently learned that a new model of the Scepter 8 has been released, powered by an upgraded Allwinner-A133 chipset platform, 2 GB RAM, and runs on Android 12 Go Edition. I have already contacted the manufacturer and requested the latest factory firmware image. I will update this thread accordingly when I receive news.
In theory, because of the modern Android Common Kernel implementation, the Android 12 Go Edition model of the Scepter 8 should be fully compatible with this guide in terms of unlocking the bootloader and achieving root access. However, I have not yet confirmed this theory. As such, there is potential for bricking or damaging your device. In the event this guide is used in conjunction with the upgraded QLink Scepter 8, you have been warned of the risks involved.
 
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ScarletWizard

Senior Member
Aug 31, 2022
136
23
OnePlus Nord N20 5G
So which patched boot image did you flash? Im guessing you flashed the Android 11 Go Edition boot image. This is why you are stuck on the logo. No worries, you cant hard brick an Allwinner tablet. You need to flash a patched boot image that corresponds with the firmware installed on your variant.
i patched the windows 12 go firnware, i tried twice, both times it stuck on logo for hours, then i tried a third time isuing the script and still stuck on logo.

this tablet came in the mail yesterday
 

ScarletWizard

Senior Member
Aug 31, 2022
136
23
OnePlus Nord N20 5G
@ScarletWizard, now that I'm finished giving you the speech on reading over everything carefully, I can help you get your tablet up and running with root.
lol i read the guide several times i did everythng right,

i think my tablet is a new variant.

restoring the tablet works but not the root method.

i been rooting since 2010

is this normal during rooting?
Invalid sparse file format at header magic
 

ScarletWizard

Senior Member
Aug 31, 2022
136
23
OnePlus Nord N20 5G
So which patched boot image did you flash? Im guessing you flashed the Android 11 Go Edition boot image. This is why you are stuck on the logo. No worries, you cant hard brick an Allwinner tablet. You need to flash a patched boot image that corresponds with the firmware installed on your variant. Did you read this statement in the beginning of the thread?
IMPORTANT NOTE:
This guide is strictly for the QLink Scepter 8 models that shipped with Android 11 Go Edition. I recently learned that a new model of the Scepter 8 has been released, powered by an upgraded Allwinner-A133 chipset platform, 2 GB RAM, and runs on Android 12 Go Edition. I have already contacted the manufacturer and requested the latest factory firmware image. I will update this thread accordingly when I receive news.
In theory, because of the modern Android Common Kernel implementation, the Android 12 Go Edition model of the Scepter 8 should be fully compatible with this guide in terms of unlocking the bootloader and achieving root access. However, I have not yet confirmed this theory. As such, there is potential for bricking or damaging your device. In the event this guide is used in conjunction with the upgraded QLink Scepter 8, you have been warned of the risks involved.
this one https://mega.nz/file/EMAG0RLS#FuXyPNY0iw7uLhKUGhaNcnZS699PnE77XllyWe_Z3_8
 

Viva La Android

Senior Member
lol i read the guide several times i did everythng right,

i think my tablet is a new variant.

restoring the tablet works but not the root method.

i been rooting since 2010

is this normal during rooting?
Invalid sparse file format at header magic
Yes, the header magic notification is normal. Pull vbmeta.img from the Android 12 GE firmware and save it in your fastboot directory. Boot your tablet into fastboot mode again, connect to your PC and execute:
Code:
fastboot flash --disable-verity --disable-verification vbmeta vbmeta.img
This should allow you to boot up with root access. John Wu overhauled the codebase on the v25.x Magisk builds. Patching your boot image no longer disables verity by default. You now have to do it manually. I apologize for giving you a hard time. I can tell you have been thorough. And yes, you have the latest Allwinner-A133 upgraded Scepter 8. More RAM, better performance.
I will be updating the thread to include patched boot images for both Android 11 & 12 GE variants, with dm-verity already disabled.
 
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  • 1
    no luck, im gonna restore to stock and try one of the older stock img before trying root
    Yeah definitely restore to full stock first and then you should be able to achieve root access. Any of the three Android 12 GE firmware builds will suffice with restoring your tablet. I posted a new method for PhoenixCard in my firmware restoration thread, which allows you to restore your tablet using a micro SD card which has been burned with a firmware image. If you encounter any device recognition issues while using the other methods, PhoenixCard is the ideal solution.
    1
    I know that what I was saying is to correctly install the drivers the tablet has to be first detected in fastboot mode in order for device manager to Recognize it as android device
    The drivers you need for PhoenixUSB Pro are known as FEL/BROM drivers. You can install those without fastboot mode working. I'll try to find you a link for a the Allwinner FEL standalone drivers. You won't need Device Manager either
    1
    The drivers you need for PhoenixUSB Pro are known as FEL/BROM drivers. You can install those without fastboot mode working. I'll try to find you a link for a the Allwinner FEL standalone drivers. You won't need Device Manager either
    I'm not finding an auto-installer for the Allwinner device drivers. You'll need to install these drivers manually, and you will need to use Device Manager. You will not need to have the tablet connected.
    https://allusbdrivers.com/allwinner-a100-usb-driver/
    These drivers will suffice for both variants of the Scepter 8. Instructions are included in the link .
  • 3
    QLINK Scepter 8 Tablet

    scepter_8_front.png

    Guide for Unlocking the
    Bootloader & Rooting

    TABLET VARIANTS:
    This guide covers unlocking the bootloader and rooting both hardware variants of the QLink Scepter 8 tablet: the Android 11 Go Edition variant; and, the newer, upgraded Android 12 Go Edition variant. For purposes of this guide, regardless of which variant you own, the instructions for unlocking the bootloader are the same. Once your bootloader has been unlocked, however, ensure that you choose the correct tablet variant under the section outlining rooting instructions. Due to both hardware and firmware variations, the instructions for rooting each model are mutually exclusive. Choosing the correct variant is very straight forward. If your tablet is running Android 11 Go Edition, then that is the variant you own. Likewise, if your tablet is running on Android 12 Go Edition, then you have the newer model. To avoid any confusion, the rooting section below has been outlined under two separate headings that correspond with the two tablet variants.
    OVERVIEW:
    After a rather lengthy back-and-forth colloquy with Hot Pepper Mobile, we have finally been given access to factory firmware images for this tablet. To Hot Pepper Mobile's credit, most of the delay was due to a language translation issue regarding English to Chinese.
    This guide will focus on two primary tasks: (1) unlocking the Scepter 8 bootloader; and (2) rooting the Scepter 8 using the latest stable release of Magisk. To alleviate legwork and to cater to inexperienced members, I have provided pre-patched boot images in the rooting section that correspond with the firmware build of your particular tablet variant.


    DISCLAIMER:
    Unlocking your bootloader and rooting your device are both procedures that carry inherent risks. Because these procedures involve modifying the device from it's stock factory configuration, it is possible to corrupt, damage, or even render your tablet completely inoperable. By proceeding further, you are assuming sole responsibility for the integrity and operability of your device, and thus absolve me of any liability in the event something goes south. I have, however, tested these guides and feel confident that things will go smoothly as long as you follow the instructions carefully. Moreover, I encourage all members to fully read the instructions before starting the steps.

    PLEASE PLAY NICE & FOLLOW RULES:
    This thread was created with the intent of being a noob-friendly forum. This simply means that new and inexperienced members are fully welcome here, and will be provided with extra guidance and assistance if needed. Please keep in mind that XDA is a global community of developers, enthusiasts and device users. As such, and although English is the only permitted language in the forums & threads, not all members speak English as their first language, and often rely on text translation tools when asking questions & posting. Accordingly, it is very common for words to be misconstrued, meanings to be misinterpreted, and the context as a whole lost in translation. I ask members to be patient, compassionate and respectful to others on this thread. Those members with the knowledge to do so are urged and asked to help newer members, and recall back when you were new here and others helped you.
    Please help me with keeping this thread on point by ensuring that all subject matter herein be kept relevant to the topics of rooting and OEM unlocking the QLink Scepter 8. Any posts about other devices or subject matter run afoul of XDA rules and are subject to removal by moderators -- and potential sanctions imposed upon the offending member. Moreover, an on-topic thread keeps things organized and easier to follow. Thank you for your consideration.


    PREREQUISITES:
    To unlock the bootloader and root the QLink Scepter 8 tablet, you will need a laptop or PC running on Windows 7/8.1/10/11. (A Mac or Linux machine can also be used. For purposes of this guide, however, I am focusing on a Windows setup.) You will also need the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable. Last but not least, you will need to install compatible USB device drivers for ADB & Fastboot on your PC/laptop. I have included the 15-Second ADB Driver Installer below, under the DOWNLOADS section. This Installer will configure ADB & Fastboot system-wide, and installs the universal Google USB device drivers.

    •INSTALLING USB DEVICE DRIVERS•
    This section is included to install and configure ADB, Fastboot and the proper USB device drivers on your Windows computer. This section can also be used to troubleshoot and fix issues involving your tablet not being recognized by Windows while connected in fastboot mode. If you have already installed the ADB & Fastboot tools (& the proper USB device drivers), and you are not experiencing fastboot recognition issues, you may skip this section and proceed to the bootloader unlocking section.
    Many members have reported issues with device recognition while in fastboot mode. I have also noticed a persistence problem with Windows drivers on this tablet. I can manually update the driver using Windows Device Manager, enabling fastboot recognition; yet, once the tablet is disconnected from my PC the updated driver does not always persist, requiring a manual driver update each time fastboot mode is needed. Follow these steps to enable fastboot recognition of your device.
    • 1. If you have not yet done so, install the 15-Second ADB Installer from the link below on your Windows PC or laptop. Open the utility and follow the prompts to install the ADB & Fastboot drivers. Opt to install ADB system-wide. Next you will be prompted to install the Google USB device drivers. Select Y and install them. You should see an interface informing you that the drivers were successfully installed. NOTE: If you get a warning notification that the drivers are unsigned, select the option to install anyway;
    • 2. With your tablet powered off, hold the Power and Volume Down buttons simultaneously until the QLink logo appears, at which time you release the Power button but continue holding Volume Down. When a green Android graphic appears on your display, you are in fastboot mode;
    • 3. Connect your tablet to your Windows machine using the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable;
    • 4. Open a command window in the path of your ADB/Fastboot directory. Execute this command:
    Code:
    fastboot devices
    If properly connected, the command window will return an alphanumeric string which is synonymous with your tablet serial number. If this occurs, you are finished with this section and may proceed to the instructions for unlocking the bootloader/rooting. If the command window displays Waiting on Any Device, or if your serial number is not displayed, continue with the following steps;
    • 5. Keeping your device connected to your Windows PC/laptop, right click your Windows Start icon and select Device Manager. Locate your tablet in the menu. It will likely be located under either the Portable Devices or Android Device heading;
    • 6. Right click your device and select Update Driver. Next, select Browse My Computer for Drivers. On the next screen choose the option for Let Me Pick From a List... Now you will see a list of drivers to select from. Depending on the manner in which Windows recognized your tablet in the Device Manager menu, the driver selection menu can vary. If you see an option for Android Device, select that option and then select Android Composite ADB Interface. Or, you may be directly presented with options for Android Bootloader Interface, Android ADB Interface and Android Composite ADB Interface. In any event, choose Android Composite ADB Interface and then click Next. Click Yes in the Update Driver Warning dialogue screen, at which time the drivers will be installed.
    • 7. Return to your command window and again execute the fastboot devices command. If your serial number is displayed, your drivers are now properly installed. If you are still experiencing fastboot recognition issues, try using another data sync cable, change USB ports on your computer, and/or reinstall the drivers using the 15-Second ADB Installer.

    I. UNLOCKING THE BOOTLOADER:
    If you plan on rooting your tablet, this step is mandatory. If your bootloader is already unlocked and you wish to root your device, skip down to the rooting instructions below.
    WARNING: Unlocking your bootloader forces the device into a factory data reset, which will effectively wipe all saved user data from the device. Make a backup at this point if there are files and media on your tablet that you wish to keep.
    INSTRUCTIONS:
    1. Enable Developer Options on your tablet by going to device Settings>About tablet and tap Build number approximately seven times. Android will notify you that Developer Options are enabled; this menu will appear under device Settings>System>Advanced.
    2. Enable USB Debugging and OEM Unlocking in the Developer Options menu. NOTE: Users have reported the OEM Unlocking option being greyed-out unless you are signed in to your Google account.
    3. Now to boot into fastboot mode, and this particular step is extremely important. Android 10 introduced a new fastboot mode for dynamic partitions, known as FASTBOOTD, which is relocated from the bootloader to userspace. This particular fastboot mode supports resizeable partitions within the dynamic scheme, and enables the user to create, resize and delete various logical partitions. However, FASTBOOTD mode cannot be utilized to unlock the bootloader, and will not recognize the oem unlock command. As such, the user must rely upon legacy fastboot mode in order to unlock the bootloader. From stock recovery mode, you may simply choose the option to reboot to bootloader. DO NOT CHOOSE THE OPTION TO ENTER FASTBOOT, as this option will boot to FASTBOOTD. From the Android OS, you can boot into legacy fastboot mode by executing:
    Code:
    adb reboot bootloader
    Once you see a green Android graphic appear in the center of your display, you are in the correct fastboot mode.
    4. Connect your tablet to your PC/laptop using the OEM-supplied or a quality equivalent micro USB to USB-A data sync cable. Next, open a command window in the path of your ADB/Fastboot directory. Check your connection by executing this command:
    Code:
    fastboot devices
    If you are properly connected, the command window will return an alphanumeric string synonymous with your device's serial number. If you do not see this, there is a problem with communications between your tablet and PC/laptop. To troubleshoot the issue, switch to another USB port, try another data sync cable, and/or reinstall the ADB/Fastboot drivers on your PC or laptop. Also, see my instructions above on installing USB device drivers on your Windows computer;
    5. Once a proper connection has been verified, execute this command:
    Code:
    fastboot oem unlock
    Once you see the Okay notification in the command window, your bootloader is now unlocked. Execute this command:
    Code:
    fastboot reboot
    Your tablet will now initiate a factory data reset and then reboot into the initial setup for the Android OS.

    II. ROOTING THE QLINK SCEPTER 8
    Once the bootloader has been unlocked, rooting this tablet is very straightforward. To simplify this guide, I am providing pre-rooted boot image files in the DOWNLOADS section for each tablet variant that correspond with the firmware build of your device.

    INSTRUCTIONS:

    A. Android 11 Go Edition Model

    NOTE: If your tablet is running.Android 12 Go Edition, you're in the wrong place. Skip down to the next section.
    1. Download the Magisk patched boot image using the link below and save the file on your PC/laptop in the ADB/Fastboot directory. Note that the file is named patched_boot.img. The flashing command below assumes that you leave this file name unchanged;
    2. Go to device Settings>About tablet and tap Build number 7 times or until Developer Options are enabled. (This step is necessary if you unlocked your bootloader using the previous section, due to the factory data reset.) Enable USB Debugging in the Developer Options menu;
    3. Power your tablet off. Hold the Power and Volume Down keys simultaneously until the QLink logo appears, at which time you release Power but continue holding Volume Down. The green Android will appear on the display to indicate fastboot mode;
    4. Connect your tablet to your PC or laptop using a quality data sync cable. Verify your connection using the instructions in Step 4 of the bootloader unlocking section above;;
    5. Once a solid connection is verified, execute these commands:​
    Code:
    fastboot flash boot patched_boot.img
    fastboot reboot
    NOTE: Your active boot slot should be boot_a. Regardless, the above command flashes your active slot by default, without having to specify slot _a or _b.
    Upon reboot, your tablet will be rooted with the latest Magisk systemless root strategy. If you do not see the Magisk app or the stub in your app drawer, go ahead and download the latest version from the link below and install it on your tablet. Open the Magisk app, grant the prompted permissions, and follow any prompts to complete setting up the root environment.

    DOWNLOADS:
    15-Second Driver Installer v1.5.6
    Magisk Patched Boot Image
    Official Magisk GitHub Releases

    B. Android 12 Go Edition Model

    NOTE: If your tablet is running.Android 11 Go Edition, you're in the wrong place. Go back to the previous section.

    1. Download the Magisk patched boot image and the empty vbmeta.img files using the links below and save the files on your PC/laptop in the ADB/Fastboot directory. Note that the boot image file is named patched_boot.img, and the vbmeta image is named vbmeta.img. The flashing commands below assume that you leave these file names unchanged;
    2. Go to device Settings>About tablet and tap Build number 7 times or until Developer Options are enabled. (This step is necessary if you unlocked your bootloader using the previous section, due to the factory data reset.) Enable USB Debugging in the Developer Options menu;
    3. Power your tablet off. Hold the Power and Volume Down keys simultaneously until the QLink logo appears, at which time you release Power but continue holding Volume Down. The green Android will appear on the display to indicate fastboot mode;
    4. Connect your tablet to your PC or laptop using a quality data sync cable. Verify your connection using the instructions in Step 4 of the bootloader unlocking section above;;
    5. Once a solid connection is verified, execute these commands:​
    Code:
    fastboot flash boot_a patched_boot.img
    fastboot flash boot_b patched_boot.img
    Now, continuing in fastboot mode, you will need to disable dm-verity/Android Verified Boot (AVB) by flashing an empty vbmeta.img and executing the following command:
    Code:
    fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
    Next, execute this command to reboot your device:
    Code:
    fastboot reboot
    Note:
    Upon reboot, your tablet should now be rooted with the Magisk systemless root strategy. If you do not see the Magisk app or the stub placeholder in your app drawer, go ahead and download the latest version from the link below and install it on your tablet. Open the Magisk app, grant the prompted permissions, and follow any prompts to update Magisk and/or complete setting up the root environment.

    DOWNLOADS:
    15-Second ADB Installer

    Magisk Patched Boot Image
    Empty vbmeta.img
    Official Magisk GitHub Releases

    THANKS & MENTIONS:
    Thanks goes out to Hot Pepper Mobile CEO Shawn Sun and Support Specialist Joshua G for providing stock firmware images for this device.
    Also, I wish to recognize and thank @13lack13ox for being a huge help to thread members at times when I was not able.



    3
    Bootloader is unlocked but my battery died after the factory reset, so I’m just waiting for a few more to flash the patched image file. But idk what I did differently, I started from a fresh win10 install and just installed 15 second adb again like before and it all worked this time.
    ROOT Successful
    3
    All in good time, man. Just glad someone with knowledge is doing all this. Wish I could help more. My ability to program and compile is equivalent to stick poking. I've done it once with aosp 6 that was awhile ago.
    You seem to know your way around the Android OS pretty well. I'm a developer in training myself. Learning every day. Yeah AOSP 6, I still love working with the Marshmallow builds.
    Ok first things first. I notice a huge performance boost from some kernel level mods. Here is a link to Kernel Toolkit. Install both APKs. https://mega.nz/folder/QYwA0QTA#O_Zg3h_iVkHOdeyU_yOmLw
    First go to the CPU heading and change the scaling governor to Ondemand. Under CPU Governor Params, tap on Performance Profile and select Maximum Performance (you may personally want to scale back to Aggressive or Balanced, depending on your need for battery life). Now, close Kernel Toolkit and restart the app. Next go to the I/O heading. Choose kyber as the I/o scheduler and set the read ahead buffer to 512 KB. Go down to ZRAM and increase to the maximum of 1000 MB. Set Swappiness to 100. Go over to the Profiles heading, create a profile will all settings and give it a name recommended from the list. When complete, tap on the profile, select save settings and then apply settings.
    Now go to the menu button in the upper left of the app. Go down and enable Apply Settings on Boot. Select All and set a 5 second delay.
    Next, download a build.prop editor from Play Store. There are tons of free ones and any will suffice. Make a backup of your system/build.prop before you tweak anything. Open the editor and grant root permission.
    For build.prop edits, locking your launcher into memory helps a lot with responsiveness. Add this line to system/build.prop

    ro.HOME_APP_ADJ=1

    This basically prevents the launcher from being killed by Android's native LMK.
    To increase touch responsiveness, add these lines as well.

    debug.performance.tuning=1
    video.accelerate.hw=1

    Disable the boot animation for faster boot time.

    debug.sf.nobootanimation=1

    Reboot to enable the tweaks.
    Give these a try and let me know your feedback. I'm working on a few more mods to optimize this tablet and I'll keep you posted on those as well.
    2
    For some reason, I'm stuck on the part where you have to use the fastboot option. So basically, I got my tablet in fastboot mode (the secondary one with the green android graphic), but when I tried to use the adb function, it doesn't detect my tablet. And also, the command, "fastboot devices" doesn't do anything, and when I try to use "fastboot device" it just says waiting for any device and just... stays there, not detecting my tablet. I tried multiple computers, tried both PowerShell and the command prompt with admin privileges, to no avail. For information, it worked when my tablet was on my tablet is the V9 firmware, but it slightly newer since I just updated to V9_20220224... so maybe that might have something to do with it...
    Sounds like you have a common driver issue. Do this: with your device connected to your PC in fastboot mode, right click your Windows start button and open Device Manager. What is your tablet showing up as? We will need to update your driver. I can walk you through it. Did you install the Google driver from the 15-Second ADB Installer? I am nearly finished writing a guide on properly installing the device drivers. I will link it here when posted. It will give you a detailed step-by,-step outline. I don't think it's an issue with the firmware builds. Fastboot detection issues are common with this tablet due to some type of instability with driver persistence. For example, I often need to update my driver every time I use fastboot mode because, for some odd reason, the updated driver doesn't persist once the tablet is disconnected from the PC and then reconnected.
    2
    So I'm stuck at one point in my attempting to unlock my bootloader and root my scepter 8 tablet v6 is where I started. Amazingly I was able to get to the point when you use the fastboot device command and actually got back the serial and I was ecstatic because I have been attempting to root a device, for a couple maybe more year with no success ill admit my attention wonders... a lot and with that my interest so if after a couple of days i did not get it i usually gave up but once i saw the this forum you have started Viva la android about the scepter I was like not giving up til im rooted or bricked. I have literally read over the 3 main threads you started multiple times and i think over installed some things, anyway im where you have the green android guy open with the numbers showing or rather no numbers but 16 squars ( not sure if thats spelt correct think not) um but yeah when you let off the power button there literally what seemed like no time before the green man showed up is that the point at which you release the volume down button or no. because I started out holding til i was pluged in and entered the fastboot command and also right after the green guys showed up where im stuck it since i got back the serial number back the one time and fallowed with the unlock command the didnt work i forget exactly what it said but i went on to the device manager i did the usb update. 2 things any suggestions and is there any way to use the phoenix suit to root it i tried using it to flash just the patched file thing i realized that would not work but is there a manor in which it would? not just viva la android any input would be greatly appreciated.
    So you are having trouble running the command fastboot oem unlock?

    in developer options tick on oem unlocking, and usb debugging
    I assume you have adb working, plug in device and check: adb devices
    If you get back serial number run command: adb reboot bootloader
    An open android screen should appear.

    Now run command to verify: fastboot devices
    you should get back a serial# fastboot
    If so run command: fastboot oem unlock
    You should get a confirmation message, run command: fastboot reboot
    The device will perform a reset.
    You should be able to pick back up with rooting step using patched boot image, and magisk.