Download and install the software, open it,

Select the operation function you want 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. I have seen many tools to modify ROM packages. Only ROM assistants can package IMG files and give their development team 32 praises. .

Anyway, here is mainly to share the process of modifying the brush package and the tutorial of changing the brush package from line to card.

First, modify the 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.

ROM assistant can be simplified and pre-installed with 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 obtained from the alliance, and some alliances need Lib files to count the amount. If there is no special requirement, just skip it.

Second, the line brush package to card brush package tutorial

Loading the system.img file will generate a folder in the installation directory of ROM assistant. Mine is D:\ Gu Mo \ Temporary.

This folder contains all the contents of the system.img file, that is, the extracted IMG mentioned above, which is relatively simple and direct compared with other tools ROM assistants. This system.img can also be modified here. If you don't want to change the card brush, just pack it and put it back in place. Please look down if you turn the card brush.

Create an update folder by yourself, create a system and META-INF folder in the update folder, then copy all the files of D:\ Gu Mo \Temp loaded in the last step to the new update/system folder, and then put the boot.img of the original line brush package into the update. The last and most important step is to sign these three packages with the signing tool, and add com in the official META-INF folder to the newly changed META-INF, so that a card brush package is completed.

As long as it is the same type of rom, you can mention scripts.