May 26, 2013 #1 T Tim Member May 12, 2008 743 0 16 I have a iPhone 3GS I am trying to do the T Mobile SIM card switch to get the MMS working. I bought the sim brand new on Ebay. When I insert the sim my phone displays "sim failure". Any suggestions? Does the sim need to be activated?
I have a iPhone 3GS I am trying to do the T Mobile SIM card switch to get the MMS working. I bought the sim brand new on Ebay. When I insert the sim my phone displays "sim failure". Any suggestions? Does the sim need to be activated?