This denotes the . XZ is a lossless compression file format based on the LZMA/LZMA2 algorithm. It is favored in Android development for its high compression ratio, which significantly reduces file size for downloads, even though it requires more processing power to decompress compared to Gzip.
fastboot flash system system-arm64-ab.img system-arm64-ab.img.xz android 12
: Indicates this file is for the system partition , which houses the core Android OS and framework. This denotes the
Because this is an A/B device, you must know which slot is active. Usually, you can flash to both slots or just the current slot: system-arm64-ab.img.xz android 12
Flashing a GSI is not as simple as installing an app. You need: