fastboot flash super super.img fastboot flash boot boot.img fastboot flash vbmeta vbmeta.img --disable-verity --disable-verification Because the device is Project Treble compatible (manifest level 2.0), Generic System Images (GSI) can run.
from unisoc_pac import PacFile pac = PacFile.read("Nokia_G21_V2.400.pac") boot_partition = pac.get_partition("boot") boot_partition.extract("boot.img") Then using unpack_bootimg.py : nokia g21 firmware
(bootloader) version:0.5 (bootloader) unlocked:no (bootloader) product:atlantic (bootloader) is-userspace:no (bootloader) partition-size:super: 0xE0000000 fastboot flash super super