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:
Utilities:
[!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:
You can check the process in this video
adb devices
adb reboot recovery
adb sideload OTA_FILENAME.zip
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.
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
adb devices
adb install Magisk.apk
adb reboot bootloader
fastboot devices
fastboot flash boot magiskPatchedBootB.img
Thanks to vicenteMartinezY700 for this post in XDA about the GSI ROMs and his help testing everything in this tablet.