HT202340: iPhone: Understanding SIM cards
Learn about iPhone: Understanding SIM cards
-
All replies
-
Helpful answers
-
Jul 17, 2012 6:46 AM in response to mesadoraby KiltedTim,Why don't you start by re-booting the phone, removing and re-inserting the SIM, etc.
If that fails to clear it up, get a new SIM from your carrier.