4 Clock not work correct
Time on iPhone 5C not work after iPhone display go in sleep mode and noting after try auto time sinc or connect wit USB on computer.
History: iPhone come with broken display and not shure that this error may have to do these shocks.
What is the status of your battery?
mayer さんによる
Is the phone activated with a cellular carrier? iPhones can get the time from the cellular network.
Joseph Eckstein さんによる