Lenovo A750 server guard 4.0 system. img unpack package in Linux

Lenovo A750 server guard 4.0 system. img unpack package in Linux

Lenovo's imgfile uses the ext4 format. In windows, many unpacking tools fail.


Use related commands in ubuntu to download and compile your own

./Simg2img system. img k8diy. img


Mount the image k8diy. img
Mkdir k8diy; sudo mount-o loop k8diy. img k8diy

Umount k8diy

2. delete an app

Sudo chmod 777 permission 114.apk

Delete sudo rm 112114.apk

3. Package

Sudo./mkuserimg. sh-s./tmpdir./k8system. img ext4. temp 512 M

After packaging, delete the system. img in the original ROM and put the new package back to flash the machine.

To save trouble, you can write all commands as scripts.




4 flash

Lenovo official wire brush tool SP_Flash_Tool_v3.1208.01

Lenovo, the latest flash machine tool, has verified the Checksum. ini

Change CHECKSUM_SWITCH = 1 to CHECKSUM_SWITCH = 0.