Invalid Sim/Sim Failure Iphone 4s Unlocked T-mobile

chen04

macrumors newbie
Original poster
Oct 17, 2011
16
0
I keep getting an Sim Failure/Invalid Sim after a few days using my iphone 4s. If I power on/off it starts working normally again, but the problem is reoccuring. I did trim the sim using a sim cutter, do I need to goto the t-mobile store and get a micro sim? Any help is appreciated.

Thanks,
Brian
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.