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.
ROMs:
- ⚡ How to flash Official CN Stock ROM (ZUI 14 Android 12 or ZUI 15 Android 13) -> Unbrick device
- ⚡ How to sideload the Unofficial ZUI 15 OTA with Android 13
- ⚡ How to flash a GSI ROM
- ℹ️ GSI ROMs working in the Lenovo Legion Y700 2022
Utilities:
- 🦄 How to install Magisk (Root tablet)
- 🛠️ Magisk fixes: To Be Done
- 🚀 Acknowledgements
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
- ZUI 14, Android 12: You can check the process in this video or in the XDA post
- ZUI 15, Android 13: You can check the process in this video
Links:
Other alternatives:
- All the above filles needed in 1 zip file - MEGA
- Other place with OTAs and stock ROMs - Sourceforge thanks to terajima-alc
You can check the process in this video
- Prerequisites:
- Download ADB from the offical source
- Having the CN stock ROM already installed on your device, explained here: ⚡ How to flash CN Stock ROM
- The OTA zip file (in the video description you have the links too):
- Check that your PC recognize the device:
adb devices
- Restart the tablet in recovery mode
adb reboot recovery
- In the recovery mode select "Apply update from ADB"
- Start sideloading the OTA update
adb sideload OTA_FILENAME.zip
- Select "Reboot system now" in the recovery mode and the tablet will reboot with the new version of ZUI and Android
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
Tip
I have recorded the whole process on this video. I recommend you to take a look at it before flashing the ROMs.
- Prerequisites:
- Download ADB from the offical source
- You will need the vbmeta.img file from the stock ROM (I have a link to it in this video)
- A GSI ROM, in this example we will use CRDROID
- Check that your PC recognize the device:
adb devices
- Reboot to booloader
adb reboot bootloader
- 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
- Flash the vbmeta.img file (from the stock ROM or you can get it here too)
fastboot --disable-verification flash vbmeta vbmeta.img
- Reboot on fastboot mode
fastboot reboot fastboot
And select "Enter fasboot" in the menu
- Check you are using a user space
fastboot getvar is-userspace
- Erase system
fastboot erase system
- Delete logical partition B
fastboot delete-logical-partition product_b
- Flash the GSI ROM, for this example we are using CRDROID
fastboot flash system crDroid-10.0-arm64_bgN-Unofficial.img
- Reboot into recovery
fastboot reboot recovery
- Select "Wipe Data / Factory Reset" and confirm
- Select "Reboot System now"
Patch your own boot.img. The steps are desribed in the following post
- Download patched img and magisk from here
- Follow the commands below
- In case you have problems with Wifi not turning ON after flashing the boot.img file, try this one instead. (Thanks to Son Kun on Discord)
- Check that your device is detected in ADB
adb devices
- Install Magisk apk (you can do it by sending the apk to the device or by using the command below)
adb install Magisk.apk
- Reboot to bootloader
adb reboot bootloader
- Check that your device is detected in fastboot mode
fastboot devices
- Flash the patched boot.img
fastboot flash boot magiskPatchedBootB.img
- Restart to recovery selecting "Restart recovery" (move up/down with vol+/- and confirm with the lock button)
- Select "Restar system now"
- Go to Magisk and reboot the device from there
- Check that the installation has been carried out correctly
