Version 2.10 was a major update released by Rockstar Games (roughly around 2018) that overhauled the mobile experience. Unlike the earlier versions (such as v1.08), v2.10 introduced:
The OBB data is typically stored in the following directory on your device: Internal Storage/Android/obb/com.rockstargames.gtasa/ File Component Typical Function The installer/application launcher. Primary game data (textures, models). Additional update data and minor bug fixes. Where to Get v2.10 gta san andreas v2.10 obb
Ensure the OBB folder is in the correct /Android/obb/ directory. Version 2
Implementation notes (compact)