SMS didn't ring, missed calls and SMS desktop didn't display.

First, see if there is anything wrong with your SMS audio file. If there is no problem, then

It should be a software problem. Try to restore factory settings through backup. If it doesn't work, turn it off, then press and hold the * key, the 3 key and the launch key at the same time, and then press power on to enter the format (it must be enough 1 minute).