Troubleshooting
Common issues and solutions for BepInEx Android Launcher.
Game Won't Launch
Check Requirements
- Android 9+ (API 28+)
- arm64-v8a device
- Unity IL2CPP game (not Mono)
Grant Permissions
Ensure the launcher has All files access permission:
- Go to Android Settings → Apps → BepInEx Launcher
- Tap Permissions
- Enable All files access
Enable libunity
Some games require unstripped libunity.so:
- Go to game settings in the launcher
- Enable Use unstripped libunity
- Try launching again
Mods Not Loading
Verify Modpack
- Ensure the modpack is activated in the Modpacks tab
- Check that the mods are compatible with your game version
- Look at the BepInEx log for errors
Check Logs
- Open the launcher
- Go to Settings → View Logs
- Look for error messages related to mod loading
Common Mod Issues
| Issue | Solution |
|---|---|
| Mod not detected | Ensure the mod DLL is in the correct BepInEx/plugins folder |
| Dependency missing | Install required dependencies for the mod |
| Version mismatch | Update the mod to match your game version |
Crash on Startup
Check Requirements
- Android 9+ (API 28+)
- arm64-v8a device
- Unity IL2CPP game (not Mono)
Clear Data
If the game crashes on startup:
- Go to Settings → Clear BepInEx
- Go to Settings → Clear .NET
- Try launching again
Enable libunity
Some games require unstripped libunity.so:
- Go to game settings
- Enable Use unstripped libunity
- Try launching again
BepInEx Extraction Fails
Clear BepInEx Cache
- Go to Settings → Clear BepInEx
- Relaunch the game - the launcher will re-extract the framework
Check Storage
Ensure you have enough storage space:
- BepInEx framework: ~50 MB
- .NET runtime: ~30 MB
- Unstripped libunity: varies by game
libunity Download Slow
Check Connection
- Ensure you have a stable internet connection
- Try switching between Wi-Fi and mobile data
Clear libunity Cache
- Go to Settings → Clear libunity
- Try launching again - the launcher will re-download
CoreCLR Failed to Start
This error indicates the .NET runtime failed to initialize:
- Go to Settings → Clear .NET
- Relaunch the game
- If the issue persists, check device compatibility
Huawei / HarmonyOS
If you experience rotation crashes on Huawei devices:
- The launcher includes a built-in fix for HarmonyOS rotation issues
- If problems persist, try disabling auto-rotation in your device settings
Getting Help
If you're still having issues:
- Export diagnostics from Settings → Export Diagnostics
- Visit the GitHub Issues page
- Include the diagnostic file in your issue report
