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Oneplus 8T (Cyberpunk Edition) - HydrogenOS (Google Apps, Theme, OTA Updates!)

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negb

Member
Apr 9, 2021
9
0
Could somebody advice how to free up System files space, it is taking now enormous 154 GB space and phone is showing 100% used, all 256 GB..... PC is not seeing phone connected anymore, touch screen is not working, I navigate to directly connected mouse and keyboard through USB hub....I just want to take photos and videos from phone, back up wasn't done ...
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ULTRAJC

Senior Member
Feb 2, 2021
51
19
System should not take so much space, i saw your last post said water into the phone, better send for repair.
 

OniAraAra

Senior Member
Nov 17, 2020
107
58
Currently on Hydrogen OS 11.0.11.11.KB05. Things are still working well, so this guide should still be current.

Could somebody advice how to free up System files space, it is taking now enormous 154 GB space and phone is showing 100% used, all 256 GB..... PC is not seeing phone connected anymore, touch screen is not working, I navigate to directly connected mouse and keyboard through USB hub....I just want to take photos and videos from phone, back up wasn't done ...
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That is definitely abnormal. Currently I am only utilizing 26GB for system files.
 
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OniAraAra

Senior Member
Nov 17, 2020
107
58
I had received a PM, notifying me that the MSM Download Tool's link in the original post is no longer working...

They have been linked and uploaded here, if you need them:
 
Last edited:

trongthanh

Member
May 11, 2021
29
16
Oneplus 8T Cyberpunk Color Os Android 12
 

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trongthanh

Member
May 11, 2021
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  • 19
    Originality/HydrogenOS

    If you have a Chinese Cyberpunk Edition phone with OxygenOS, you'll notice that the Cyberpunk theme/assets are missing, and OTA updates lead to a boot loop. This guide will tell you how to restore the phone to its original software (HydrogenOS), unlock the bootloader, root it, and get Google Apps working. If you are American, this is the golden ticket. OTA updates will work and you will get the original theme/assets back.

    I have made this guide because I purchased a Cyberpunk phone and the vendor installed OxygenOS. The Chinese Cyberpunk Edition phones are meant to use HydrogenOS. OxygenOS is not currently designed for the Chinese Cyberpunk Edition phones, despite many vendors installing it. I've spoken to Oneplus and it doesn't appear there are immediate plans to support the phone using OxygenOS.

    This information is only for Chinese Cyberpunk Edition phones.
    Rooting the phone is optional if you just want Google Apps.

    Proceed at your own risk.



    Setting Up

    You're going to need to download and install these things for the remainder of the guide.

    If you've already been toying with the phone, you might already have these. If so, skip ahead.


    Restoring HydrogenOS (Credit: Some_Random_Username)

    You are going to want to download the MSM Download Tool, designed for Chinese KB2000 phones. This tool will wipe your phone and restore the original HydrogenOS software, as well as your Cyberpunk theme/assets.

    You will need to download the tool here:
    https://androidfilehost.com/?w=files&flid=320230 (Credit: g96818)

    https://androidfilehost.com/?fid=10763459528675590014 or https://drive.google.com/file/d/1-MwwMBiszDvAoCoqH1P5aZRaLvDFL_66/view
    The difference is only in HOS version.
    If your phone is made after march 2021, i suggest using latest one HOS MSM (google link).

    After downloading:
    • Extract the archive to a folder.
    • Remove any Chinese characters from folder names (if applicable).
    • Open "MsmDownloadTool V4.0".
    • Under "User Type", select "Others".
    • Click "Next".
    • Notice that "Target" is selected on the dropdown in the top-right of the window.
    • Change the option from "Target" to "H2" instead.
    Now make sure your phone is ready:
    • Turn your phone off and wait a few seconds.
    • Press the "Start" button on the tool.
    • Hold both volume buttons down, while plugging your phone in through USB (to enter Qualcomm EDL mode).
    • The download tool will begin to work it's magic (should take 200-300 seconds).
    • Once it says "Download Complete", your phone should reboot into HydrogenOS.
    • Close the tool completely.

    Perform the phone's setup, then decide whether you want to root the phone, or just install Google Apps. Your phone will be wiped if you unlock the bootloader.

    If your device wasn't detected when running the tool, make sure you have the Qualcomm USB driver installed. To do this, open device manager. Under "QHUSB_BULK", select "Update Driver Software", and use the .cab file you found earlier.


    Unlock the Bootloader (Optional)

    Before you may root the phone, you will need to do the following.

    Enable Developer Mode:
    • Open your Settings application and go to "About Phone".
    • Tap the section that says "Build Number" five times consecutively.
    • You will now have developer mode.
    Enable OEM Unlocking/USB debugging:
    • Open your Settings application and click the search button.
    • Search for and enable the option: "OEM unlocking".
    • Search for and enable the option: "USB debugging".
    • You will be asked if you want to trust the device when it's plugged in. Click "Allow".
    You will want to do the following, using the ADB/Fastboot you downloaded:
    • Make sure your phone is plugged in.
    • Run the following:
      • adb reboot bootloader
    • Your phone will reboot into the bootloader.
    • Run the following:
      • fastboot oem unlock
    • Use the volume/power buttons on your phone, to confirm.

    Your phone will reboot and wipe itself, as well the Chinese applications. Perform the phone's normal setup again.

    The bloatware and Chinese apps will return when you perform an OTA update at the end of the guide. They can also be removed/disabled.


    Rooting (Optional)(Credit: DroidFreak32)

    To root the phone we will be installing Magisk, using a patched boot.img from your current version of HydrogenOS. In this case, we are using version 11.0.1.2 (the version of the MSM Download Tool). I will be providing the boot.img from my phone, which I have used personally.

    You will want to download the following:

    Preparation:
    • Re-enable developer mode, as well as USB debugging. Just like you did in the previous section.
    • Transfer the app-debug.apk to your phone, and install it through the phone's file manager.
    • Copy "magisk_patched_11.0.1.2.img" to your computer's ADB directory.

    Rooting:
    • Run the following:
      • adb reboot bootloader
    • Your phone will reboot into the bootloader.
    • Run the following:
      • fastboot boot magisk_patched_11.0.1.2.img
    • Your phone will reboot, using the patched boot.img.
    • Enter the Magisk Manager app you installed earlier.
    • Tap Magisk (Install) -> Perform Direct Install
    • You will have root on reboot!
    If Magisk says it needs to reboot to apply changes, you will need to follow the last set of steps again.

    If for some reason the boot.img I provided doesn't work, you will need to follow DroidFreak32's guide. His guide is very detailed and will instruct you on how to create your own patched boot.img and root the phone.


    Installing Google Apps (Credit: Steve0007 and @xxxrichievxxx)

    To install, you will want to obtain a copy of the Google Play Store from a 3rd Party. @xxxrichievxxx suggested this solution, which worked for me regardless of unlock/root status.

    You'll want to download, copy, and run the newest version from your device:


    We had also tried using WeebGapps, which has problems after updating:
    https://t.me/s/WeebGAppsChannel?q=#Android_11+#magisk_mode (Requires Telegram)


    Updating

    Unlike on OxygenOS, you will actually be able to download and perform OTA updates, through the Settings app. If you do not follow the steps below when updating, you will lose root.

    Disable your Magisk modules (if applicable) when updating, and re-enable after you have successfully updated!
    I also recommend disabling "automatic system updates" via Settings, as they can break your root.

    Follow these steps:

    - Go to System-Update
    - Tap OK when the message that you are rooted appears
    - Tap "Download and install"
    - Wait until you are prompted to reboot - DO NOT REBOOT NOW!
    - Open Magisk Manager, select install -> Install to inactive slot and start installation
    - When Magisk has finished installing, reboot and you stay rooted with latest OTA.

    If you are missing the Play Store after updating, install it from here. If you happen to mess up or lose Google Apps, try uninstalling/reinstalling the module.

    If you do happen to lose root, you will want to follow DroidFreak32's guide, as I've only provided the patched boot.img for 11.0.1.2.


    Bloatware

    You're probably annoyed by all the preinstalled garbage. I've made a short script that disables the Chinese market and removes all 3rd party Chinese (By_3rd and heytap) applications.

    Removing Market and Almost All 3rd Party Apps:

    You will likely need to run this script each update, as applications are added back on update. I've decided to leave the other applications on my device for now. If you want to remove even more, Steve0007 recommended this resource.


    Credits

    Steve0007 and xxxrichievxxx for helping to find the solid solution for Google Apps.
    WeebGApps for the module that installs Google Apps.
    DroidFreak32 for his thread on rooting the Oneplus 8T.
    Some_Random_Username and g96818 for uploading/sharing the MSM download tools.

    Most of this information is compiled from other sources, so consider supporting the developers listed above.
    3
    What is a procedure to switch from Hydrogen OS to Oxygen OS (due to that I need more languages, not only English and Chinese) ?

    Thank You in advance.
    1. First you will want to back up your apps etc. with the OnePlus Clone Phone app (formerly OnePlus Switch).
    2. Transfer the backup to you PC.
    3. Follow the guide in the link below to install OOS which will completely wipe your phone and install OOS:

    https://tradingshenzhen.com/en/content/oneplus-8t-cyberpunk-2077-flashen.


    4. Setup OOS and install Clone Phone app to restore the backup stored on your PC. All Google apps will be installed including Play Store.


    5. You may or may not have the Cyberpunk theme once OOS is installed. Check settings/Customisation.

    From memory I did still have the CP boot animation, sounds etc. but not the live wallpaper. I used the following app to get the live wallpaper to work:


    Note: Following the most recent OOS OTA update, my device did in fact restore with all of the original Cyberpunk goodies working well including sounds, boot animation, charging animation and the live wallpaper... (You may have a different experience).

    If you decide to proceed with OTA updates in the future I would recommend that you use Clone Phone to do a backup first so you don't lose any data.

    Depending on the country you are in and your service provider, 5G/VOLte/VOWifi may not work without some further tweaking. This is usually relating to your mobile plan/ service provider and not the device itself. There are guides to activate these network features on XDA so just do some searching around.

    Good luck.
    2
    Informative and well explained. It will definitely help a lot of users.
    2
    I had received a PM, notifying me that the MSM Download Tool's link in the original post is no longer working...

    They have been linked and uploaded here, if you need them:
    2
    I just tested and it seems to work without root or bootloader unlocked. I'd still recommend getting a copy of the full OTA update packages, in case you want to get root back later (for patched magisk).

    Netflix does show up without root, and you can still run the script to remove bloatware (USB debugging).
    Awesome, I am going to try this out.