Update of A12 devices via Fastboot: (your data will be preserved)
- Download our ROM zip file
- Unpack downloaded zip file in the PC
- Reboot your device to fastboot mode (press volume down + power)
- Connect to PC via USB cable
- Run fastboot installation script from unpacked zip according your PC operating system:
- wait until the phone restarts itself
--- For Windows OS -
windows_fastboot_update_rom.bat
--- For Linux -
linux_fastboot_update_rom.sh
--- For MacOS -
macos_fastboot_update_rom.sh
PS:
TWRP does not work on android 12 so OTA update is not possible.