| Problem | Likely Cause | Solution (per manual) | | :--- | :--- | :--- | | App crashes on launch | Outdated cache | Go to device settings → Apps → Banlanx → Clear Cache (not data). | | Sync stuck at 99% | Poor internet or large file | Pause sync, toggle airplane mode, then resume. | | Notifications not arriving | Battery optimization enabled | Disable battery saver for Banlanx in phone settings. | | “Invalid QR code” error | Code expired after 24 hrs | Generate a new QR from the share menu. | | Search returns no results | Indexing delay | Wait 2 minutes or manually refresh by pulling down search screen. |

Launch BanlanX and grant the necessary permissions (Location, Bluetooth, and local network access).

Enter the exact number of LEDs on your strip. Setting this too low will leave the end of the strip dark. Lighting Modes and Customization