System-arm64-ab.img.xz: Android 12

Before you begin, ticking off these prerequisites is essential to avoid errors.

This refers to the partition layout. Android devices use either an "A-only" layout or a seamless "A/B" update layout. Starting with Android 10, and solidified in Android 12, almost all Treble-compatible GSIs use a unified dynamic partition structure often labeled as "A/B" or "b" to target modern partition standards. system-arm64-ab.img.xz android 12