LinuxDroidMaster / Lenovo-Legion-Y700-ROMs

Repo with all the info about the ROMs available for the Lenovo Legion Y700 2022 model
GNU General Public License v3.0
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android gsi legion lenovo roms y700

Lenovo Legion Y700 (TB9707F) ROMs

Repo with all the info about the ROMs available for the Lenovo Legion Y700 2022 model

[!WARNING]
Do this at your own risk. This process may brick your devices. You can unbrick using this method, but I am not responsible for any dagame caused to your device.


πŸ“š Index

ROMs:


Utilities:



⚑ How to flash Official CN Stock ROM (ZUI 14 Android 12 or ZUI 15 Android 13):

[!WARNING]
You need to have your bootloader unlocked to follow the process. Check this post in case you don't have it unlocked: XDA post

Links:

Other alternatives:



⚑ How to sideload the Unofficial ZUI 15 OTA (ZUI 15 Android 13):

You can check the process in this video

Commands:

  1. Check that your PC recognize the device:
    adb devices
  2. Restart the tablet in recovery mode
    adb reboot recovery
  3. In the recovery mode select "Apply update from ADB"
  4. Start sideloading the OTA update
    adb sideload OTA_FILENAME.zip
  5. Select "Reboot system now" in the recovery mode and the tablet will reboot with the new version of ZUI and Android


ℹ️ GSI ROMs working in the Lenovo Legion Y700 2022:

Here you can find a list with all the GSI ROMs. Below I document the ones that I or someone else has already tested and we know they work fine, but if you have used any other ROM that is not in this list but works, please let me know (open an issue on Github, leave a comment on Youtube or send me a Telegram message).

Click on any of the ROMs listed here to see how they look and possible issues



⚑ How to flash a GSI ROM:

[!TIP]
I have recorded the whole process on this video. I recommend you to take a look at it before flashing the ROMs.

Commands:

  1. Check that your PC recognize the device:

    adb devices
  2. Reboot to booloader

    adb reboot bootloader
  3. Check that your PC recognize the device in fastboot mode

    fastboot devices

    [!IMPORTANT]
    In case your device is not recognised in fasboot mode (device does not appear when you run the above command): How to install bootloader interface drivers

  4. Flash the vbmeta.img file (from the stock ROM or you can get it here too)

    fastboot --disable-verification flash vbmeta vbmeta.img
  5. Reboot on fastboot mode

    fastboot reboot fastboot

    And select "Enter fasboot" in the menu

  6. Check you are using a user space

    fastboot getvar is-userspace
  7. Erase system

    fastboot erase system
  8. Delete logical partition B

    fastboot delete-logical-partition product_b
  9. Flash the GSI ROM, for this example we are using CRDROID

    fastboot flash system crDroid-10.0-arm64_bgN-Unofficial.img
  10. Reboot into recovery

    fastboot reboot recovery
  11. Select "Wipe Data / Factory Reset" and confirm

  12. Select "Reboot System now"



πŸ¦„ How to install Magisk (Root tablet):

Long method:

Patch your own boot.img. The steps are desribed in the following post

Easy method:

Guide in Video

Commands easy method:

  1. Check that your device is detected in ADB
    adb devices
  2. Install Magisk apk (you can do it by sending the apk to the device or by using the command below)
    adb install Magisk.apk
  3. Reboot to bootloader
    adb reboot bootloader
  4. Check that your device is detected in fastboot mode
    fastboot devices
  5. Flash the patched boot.img
    fastboot flash boot magiskPatchedBootB.img
  6. Restart to recovery selecting "Restart recovery" (move up/down with vol+/- and confirm with the lock button)
  7. Select "Restar system now"
  8. Go to Magisk and reboot the device from there
  9. Check that the installation has been carried out correctly


πŸš€ Acknowledgements

Thanks to vicenteMartinezY700 for this post in XDA about the GSI ROMs and his help testing everything in this tablet.