This is the step where most users make mistakes. The OBB file is compressed to save space, but Android cannot read the game data while it is compressed. You must extract it.
Before starting, ensure your device meets these minimum specifications: Android 7.0 or higher. RAM: Minimum 2GB (4GB recommended for smooth gameplay). Storage: At least 2.5 GB to 5 GB of free space.
The APK and OBB do not match, or you opened the game with internet on. Fix: Uninstall everything. Repeat steps 3, 4, and 5 (Airplane mode ON before first launch).
Here’s a clear, step-by-step guide to installing on Android using ZArchiver — useful for those who have the game files (APK + OBB) and want to do a manual installation.
Grand Theft Auto: San Andreas remains a cultural phenomenon. While Rockstar Games released an official mobile port on the Google Play Store, many players prefer installing specific modded versions, "Lite" editions for low-end devices, or version 1.08 (the pre-“definitive” classic) manually.
Do not install the APK from the Play Store if you are doing a manual install. You need the matching APK for your OBB file. Uninstall any existing official version first.
ZArchiver did not get "Document Tree" permissions in Step 1. Fix: Go back to ZArchiver settings. Grant "Document Tree" root access. Delete the wrong com.rockstargames.gtasa folder in Android/obb and extract again.
You have a 32-bit APK on a 64-bit phone, or vice versa. Fix: Download a "Universal" APK. Use ZArchiver to uninstall the old version first (System settings > Apps > Uninstall).