Before you touch the ROM files, you need a proper workspace. Repackaging is best done on a Linux environment (Ubuntu or Linux Mint) because file permissions and symlinks are preserved naturally. If you are on Windows, you use Windows Subsystem for Linux (WSL).
Released in 2014, the Mate 7 was Huawei’s breakout device—a metal-clad phablet with a massive 6-inch display and a massive 4100mAh battery. Fast forward ten years, and official support is long dead. Stock Android 5.1/6.0 is not only slow but a security nightmare. huawei mate 7 custom rom repack
In the context of the Mate 7, a "repack" typically refers to taking an existing custom ROM—perhaps one designed for a similar Kirin-based device or a generic system image (GSI)—and modifying its internal components to ensure compatibility. The primary motivations are: Performance Optimization: Before you touch the ROM files, you need a proper workspace