@铠巨人仅供参考:
来自xda:
http://forum.xda-developers.com/showthread.php?t=17534731. Extract the A10HD-firmware.img with imgRePacker in Win7-32bit
2. Copy the sparse system.fex into the VirtualBox with Ubuntu 12.04-32bit.
3. Change sparse system.fex into ext4 system.img with simg2img in Ubuntu.
4. Mount ext4 system.img in Ubuntu and delete only 1 apk (4K-player) for test purposes.
5. Change back the ext4 system.img into sparse system.fex with make_ext4fs in Ubuntu.
6. Copy the new system.fex into the firmware-dump-folder in Win7.
7. Create a new firmware.img with imgRePacker with /noiso option.
8. Flash the firmware with PhoenixSuit.
也可以参考一下这个(这个不太一样,也比较麻烦):
https://www.miniand.com/wiki/Allwinner/Unpacking+and+building+LiveSuit+images