unofficial HentaiOS 12.1 GSI Firmware have Now been available for download & You can download it from below. it is based on Android 12 & works on all GSI Supported Devices with ARM/ ARM64/A & AB Partition. You can flash it via both fastboot & recovery mod.
Note:
- flash at own risk
- it will erase all your data Including Internal storage
- some devices does not accept blank vbmeta file, if you will face a brick, patch official vbmeta from your device and write it
Pre-Requirement:
- unlocked bootloader: Guide
- blank or patched vbmeta file (if not flashed earlier)
Download Links:
- blank vbmeta & Product GSI: Download
- HentaiOS 12.1 GSI Image AB/SAR: Download
- Ported from Redmi Note 8
How to Install HentaiOS 12.1 GSI:
- Download & extract Platform tools
- Install adb fastboot driver on your computer
- Download and Extract ROM file in Platform tools folder
- on Phone enable usb debugging and oem unlock from developer option
- turn Phone OFF, Press Volume down and power key until You see fastboot logo, then connect it to computer using usb cable
- open command window/cmd in platform tool folder
- send below code to check connected device
fastboot devices
- if no usb device then check usb driver or disconnect and reconnect device
- delete logical partition product
fastboot delete-logical-partition product
- disable android verified boot by sending a patched or blank vbmeta file (first move file to platform tool folder)
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
- flash ROM by sending below code
fastboot erase system fastboot flash system 'filename'
- replace ‘filename‘ with the correct ROM file name Like ‘fastboot flash system system-squeak-arm64-ab-vanilla.img‘
- format & Reboot
fastboot format userdata fastboot reboot
Fixes and Solutions:
Audio jack permanent fix:
adb shell su setprop persist.sys.overlay.devinputjack true reboot