First off hello my name us andy im new to the forum an joined as it looks to be the place to get the best android information .i have a galaxy s 4 and all has been fine then today i put a new ee sim card in the mobile an all i get is no sim i have check the sim in another mobile an its fine put the old sim back in and still no sim ive hard reset it ive booted the mobile in safe mode still same im baffled now can anyone shed any light on this ive even cleaned the contacts