If the Connection Problem or Invalid MMI Code problem is driving you nuts, we got a few solutions that should solve your issue.

The only problem I had with the app was when trying to access the Call Log that it tried to read a MMI code (???). I really wish I could customize the widget a little bit (fonts, backgrounds, etc.) ...

Discover the best secret codes for Android to unlock hidden features and diagnose your smartphone. Find IMEI number, test GPS, perform factory reset.