No jailbreak needed!
No dialing 112!
No need to pop the tray in and out!
No need to unlock again after losing signal!
No need to unlock again after airplane mode!
No need to re-unlock ever!!!
Unlock ALL AT&T; iPhone 4S on ALL GSM Network in the world!
Support ALL 4S firmware versions including 5.0 & 5.0.1
Support ALL AT&T; iPhone 4S baseband including 1.0.11, 1.0.13 & 1.0.14
Does not damage phone or void warranty
Stable EDGE and 3G communication, 2G/3G dynamic switching
Supports MMS (multimedia message)
The GPP card affixed is set to unlocked mode in default. It supports plug and play for the iphone 4s for the corresponding operator.
If your iPhone 4S can not run in the default mode mentioned above, then the GPP card affixed can run in a smart learning mode. GPP Card posted can adjust the unlock mode to apply to your iphone4S which through the intelligent learning function .
The learning process:
A) Find a card that can activate your iPhone 4S.
B) Put the activation card into the iPhone 4S (without the GPP card affixed) ,then boot. Find the pin number, and changes to 0000. Shut down.
C) Use the activation card with the GPP card affixed , start, enter the PIN code 0000.The study is successful after about 20 seconds or the 4s prompt the need to activate. Shut down !
D) The GPP card affixed now can be attached to your sim card, just plug and play !
Smart learning mode can be useful only in the iPhone 4S that does not support default factory unlock mode, and it is only need to be used at the first time.
1 x GPP unlock turbo SIM for iPhone 4S