Ab-gota.zip Site

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.

Are you trying to this update on a specific device, or A/B (seamless) system updates - Android Open Source Project AB-GOTA.zip

These packages often contain only "differential" data, meaning the file size is much smaller because it only includes what has changed since the last version rather than the entire operating system. The system maintains two separate partitions (A and B)