It is a rare occasion that a Lumu Power stops working, so please try to diligently follow these steps first:
- Try to reinstall the app.
- Unplug Lumu from your phone and then plug it in again.
- Turn your phone off and on again.
- Clean the lightning connector port on your iPhone for any dirt residue.
- Try your Lumu Power on another iOS device.
If none of the above fix the problem send us an email to firstname.lastname@example.org and we'll happily assist you. Please state your name & purchase date (or the Invoice number) and if you have conducted the steps described above.