Apple iPhone 4S
Unlock iPhone 4S. Gevey Ultra S, GPP Sim, R-Sim???
I have one AT&T iphone 4S, I want to unlock it to use for T-mobile.
As I know, the unlock sim to help to unlock the iphone 4s now. But I don't which one is better???
#1, GPP Sim, this product can unlock AT&T iphone 4s.
http://www.store4iphone.com/topic-gpp-sim-china3gpp- ... »
#2,Gevey Ultra S, this product can unlock all the GSM iphone 4s.
#3, R-Sim, I watch the youtube, it is so hard to use.
unlocking method. Get the remote unlock services from the site http://www.mobile-unlocker.com/apple-iphone-3 gs/rs2wp9/ and unlock it easily. Cool