The listing, GPP R-SIM Unlock Turbo SIM Ultra Card For AT&T iPhone 4S iOS 5.0 has ended.
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 4S firmware versions including 5.1 5.0 & 5.0.1
Support AT&T iPhone 4S baseband including 2.0.10, 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)