A AC Question Jul 6, 2015 #1 just got an s4 and put a my sim card in. it worked for a couple of days then started to display no sim card restart. this was after the kit kat upgrade. is this a problem and is there a fix
just got an s4 and put a my sim card in. it worked for a couple of days then started to display no sim card restart. this was after the kit kat upgrade. is this a problem and is there a fix