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[GUIDE]-[Unlock Bootloader+TWRP+Root] Huawei MediaPad M3 8.4 [BTV-W09, BTV-DL09]

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By ericzollman, Junior Member on 19th April 2020, 09:38 PM
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The official Huawei bootloader unlock program has been shut down! This guide describes how to use DC-Unlocker which will cost you about $5 USD. I am NOT affiliated with DC Unlocker in any way!!. This is simply the cheapest and easiest method I could find...

I have only tested this method on BTV-W09 running Android 7 and EMUI 5.0.3.,
If you have a BTV-DL09 device, please reply and let me know how everything goes...


You need ADB and Fastboot installed on your PC.

This will FACTORY RESET your tablet!!! and as always: Don't blame me for Bricks & FOLLOW THIS GUIDE AT YOUR OWN RISK!!

-Unlock Bootloader-
0. Enable USB Debugging and OEM Unlock in developer options.
1. Download DC Unlocker and extract it on your PC.
2. Open the program and choose 'Huawei phone' under manufacturer and 'Auto detect' under model.
3. Plug your device into your PC and put it into 'manufacturer mode'.
3.1 Open the Calculator app in LANDSCAPE mode
3.2 Enter this code: ()()2846579()()=
3.3 Tap on 'Project Menu' - 'Background settings' - 'USB ports settings' - 'Manufacture mode'.
4. Click the search button in DC Unlocker and make sure your tablet is detected.
5. Click on 'Buy Credits' under the About section.
6. Use the website to buy 4 credits for a new account.
7. Click on 'Server' in DC Unlocker and log in using info obtained in step 6.
8. Once your logged in click 'Unlocking' then select 'Read Bootloader Code'
9. Wait until your code is displayed then copy and save the code.
10. Turn off manufacturer mode.
11. Open a CMD Prompt and type the following commands.
Code:
adb devices
//make sure your device is listed. 

adb reboot-bootloader
 //Wait for your device to reboot (white screen)

fastboot oem unlock XXXXXXXXXX
//replace XXXX with your code
12. Wait... your device should now reboot and do a Factory Reset...
13. After reset, boot your device and go through android setup.

Congrats your bootloader in now unlocked.
-Flash Greatslon TWRP-
0. Download TWRP for your device.
TWRP - BTV-W09 EMUI 5 (This is the only Model & Version I have tested)
TWRP - BTV-W09 EMUI 4
TWRP - BTV-DL09 EMUI 5
TWRP - BTV-DL09 EMUI 4
1. Enable USB Debugging
2. Plug your device into your PC.
3. Open a CMD prompt in the same folder as TWRP image.
4. Enter the following commands.
Code:
adb devices
//make sure device is listed

adb reboot bootloader
//wait for device to reboot

fastboot devices
//make sure device is listed

fastboot flash recovery XXXXXX
//replace xxxx with your TWRP file name
5. Completely shut down your device and unplug any USB cables. (some devices have problems booting TWRP when a USB cable connected)
6. Boot into recovery (PWR+VolUP).

Congrats You have flashed TWRP.
-Root Device-
0. Download the latest Magisk release.
1. Download Magisk Manager APK file.
2. Open a CMD prompt in the same folder as files
3. Type the following commands
Code:
adb devices
//make sure your device is listed

adb push Magisk-v20.4.zip sdcard/
//change name if needed

adb push MagiskManager-v7.5.1.apk sdcard/
//change name if needed

adb reboot recovery
//wait for device to reboot
4. Install Magisk | 'Install' -> Select: Magisk zip -> Swipe to confirm.
5. Wipe Cache/Dalvik.
6. Reboot to Android.
7. Install Magisk Manager to confirm root..

Congrats your device is now Unlocked and Rooted running a custom Recovery.
:: EDIT ::
LienageOS 15.1 now available on this device., Visit the following thread for my install guide.

[GUIDE]-[ROM][8.1][LineageOS 15.1 - Huawei Mediapad M3 8.4][BTV-W09, BTV-DL09]
The Following 5 Users Say Thank You to ericzollman For This Useful Post: [ View ] Gift ericzollman Ad-Free
29th May 2020, 02:27 AM |#2  
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Thanks very much for the write up! All worked perfectly and using this to prep for lineage os.

One thing I had to do using Windows 10 is install hisuite to get the USB drivers so adb/DC unlocker could recognize the device.

Thanks again!
The Following User Says Thank You to thunderz1 For This Useful Post: [ View ] Gift thunderz1 Ad-Free
17th June 2020, 09:51 AM |#3  
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Phone not found!
4. Click the search button in DC Unlocker and make sure your tablet is detected.
After I click search button that warning "Phone not found!" I don't know why Help me, plz
17th June 2020, 06:48 PM |#4  
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Quote:
Originally Posted by traihams

4. Click the search button in DC Unlocker and make sure your tablet is detected.
After I click search button that warning "Phone not found!" I don't know why Help me, plz

Does you already connected USB cable between your tablet & desktop ? Does you already installed Huawei Drivers on your desktop ? Does you already enabled Android debugging inside Developer options on your tablet ?


EDIT:
From what you see there are many reasons why you do not see the tablet connected there ... unfortunately we don't have any prophet here to guess what you did or didn't do there
26th June 2020, 12:39 PM |#5  
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i follow those steps to root my d-01j, thanks so much
14th July 2020, 05:01 AM |#6  
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Quote:
Originally Posted by iFilae

i follow those steps to root my d-01j, thanks so much

Hello, could you show your unlock code? I want to see some examples for d-01j unlock code. Thank you.
10th August 2020, 02:09 PM |#7  
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Quote:
Originally Posted by baobinhday

Hello, could you show your unlock code? I want to see some examples for d-01j unlock code. Thank you.

unlock code is different for each imei
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