Ab-gota.zip Page

The system maintains two separate partitions (A and B). While you are using partition A, the AB-GOTA.zip file installs the new update to partition B in the background. You only experience a brief restart to switch to the new version.

Modern "Virtual A/B" updates (common in Android 11+) use compressed snapshots. Instead of needing double the physical storage, the AB-GOTA.zip package only writes the differences (diffs) to the storage, significantly reducing the disk space required for the update. AB-GOTA.zip

If the update in partition B fails to boot or is buggy, the system automatically reverts to partition A. This prevents the device from becoming "bricked" during a failed update process. The system maintains two separate partitions (A and B)

Are you trying to this update on a specific device, or A/B (seamless) system updates - Android Open Source Project Modern "Virtual A/B" updates (common in Android 11+)