Android 7.1.2- — Download Zip File

Prerequisites: A computer with ADB and Fastboot installed.

The type of file you need depends on your device and your goal. Android 7.1.2- Download Zip File

| Error Message | Likely Cause | Solution | |---------------|--------------|----------| | “Zip file is corrupt” | Incomplete download | Redownload; check MD5 checksum. | | “E: Footer is wrong” | Wrong recovery version | Update TWRP to the latest for your device. | | “Updater process ended with ERROR: 7” | ROM not compatible with your exact device model | Edit updater-script to remove asserts (advanced) or find correct ROM. | | Stuck at boot animation (bootloop) | Dirty flash or wrong GApps version | Boot back to recovery, wipe data/factory reset, flash only ROM first. | | “fastboot: command not found” | ADB/fastboot not installed or PATH not set | Reinstall platform tools; use ./fastboot on Mac/Linux. | Prerequisites: A computer with ADB and Fastboot installed