| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | APK won't install | Signature mismatch | Uninstall the old version first (back up your saves) | | Games load to black screen | Incorrect ROM set version | Download the exact ROM set matching your APK date | | "Missing ROM/CHD" error | Parent/Clone mismatch | Ensure parent ROM is in the same folder as the clone | | Very slow performance | Shader cache from old version | Go to Settings → Video → Clear Shader Cache | | No sound in Neo Geo | Missing Neo Geo BIOS ( neogeo.zip ) | Place a valid neogeo.zip (v2.0 or higher) in the ROM folder |
Yes. Saved states are stored in a separate folder ( /FBNeo/savestates/ ). Uninstalling the old version will delete them, but retains all saves and configuration. final burn neo android apk upd