Please first check that the battery is installed correctly. Check out our article on Battery Installation for further information.
After, please try the following:
- Power OFF Coder MiP
- Wait 3 minutes
- Power ON Coder MiP 3. Wait 3 minutes
- Kill the Coder MiP app and run the Coder MiP app again If the problem still continues try restarting your smart device.