System-arm64-ab.img.xz Android 12 |top| Jun 2026

Use a tool like 7-Zip (Windows), unxz (Linux/macOS), or Keka (Mac) to extract:

: Refers to the partition style. "A/B" (system-as-root) devices use two sets of partitions to allow for seamless background updates. img : The raw disk image format for the partition. system-arm64-ab.img.xz android 12

If your device is (legacy A-only), look for a file named system-arm64-aonly.img.xz . Flashing an ab image on an A-only device will fail or brick the system. Use a tool like 7-Zip (Windows), unxz (Linux/macOS),

fastboot erase system fastboot flash system system-arm64-ab.img Use a tool like 7-Zip (Windows)

If a user has corrupted their system partition (soft-bricked their device) and has access to Fastboot, flashing a raw system image extracted from this file can restore the device to a bootable state, provided the image matches the device’s specific vendor partition version.