2. Select the required operation function in the main interface. ROM assistant mainly includes system simplification, pre-installation of apk, system beautification, performance optimization, pre-installation of LIB, information modification, unpacking IMG, ROM signature, APK signature and so on. Among them, encapsulating the img file of ext4 on the windows platform is the biggest highlight of ROM assistant.

3. Here we mainly share the process of modifying the brush package and the tutorial of changing the brush package from line to card.

Modify ROM package

Use the "System Simplification" function to load the ROM package you want to modify. If it is a line brush package, extract system.img and load it.

4.ROM assistant can be simplified, pre-installed and built-in Lib. System simplification is mainly to clean up the promotion software that is not commonly used in the original ROM package or is not your own, and then build your own promotion software. Of course, these promotional software are all obtained from the alliance. Some alliances need Lib files to count the amount. If there is no special requirement, you can skip it.

Extended data:

ROM Assistant is a software developed in C and C++ languages, which can run on the windows platform and modify the firmware of Android smart devices. The main functions are to modify the system configuration file, add or delete the APP in the system, modify the signature of the APP or ROM, merge and split IMG, etc.

Baidu Encyclopedia: ROM Assistant