Sim Card Chip For Unlock iPhone 3G, 2.2 Version

* Automatically search for the highest possible SIM card communication speed
* Instant unlocking - Plug & Play
* Supports all iPhone 3G features, GPRS, EDGE, 3G, WIFI, etc.
* No compromise on stability and compatibility
* No need for Jailbreak
* One card suites all iPhone 3G models and SIM cards from all operators