Calls and contacts
Apps and media
Cause 1 of 3: There's a connection error
If your phone doesn't receive any calls when someone calls you, it may be caused by an unknown connection error.
Solution: Restart your phone.
Restart your phone
Press the key on the side of your phone.
Remove the battery holder from your phone and wait for 10-15 seconds.Insert the battery and turn on your phone again.See how to insert the battery and turn on your phone.