GPP Sim Unlocks iPhone 4S

GPP Team from Japan has released a sim interposer like Gevey Sim which can Unlock iPhone 4S running on a locked carrier like AT&T . Using GPP Sim you can use any carrier of your choice without jailbreaking the iPhone 4S . It is a one-step plug and play solution that can unlock iPhone 4S on iOS 5.0.1 and iOS 5.1 (at the time of writing this article).

GPP Sim Features :

  • GPP Sim does not require jailbreaking and hence the warranty is intact .
  • Does not require 112 emergency number dialing
  • There is no need to unlock again after losing signal or after switching your phone to airplane mode
  • Provides stable EDGE and 3G service
  • Supports MMS
  • Supports Baseband 1.0.11 , 1.0.13 and 1.0.14

How to Use GPP Sim :

  1. Turn off iPhone 4S and insert GPP Sim with your microsim card using the provided sim tray inside the iphone sim slot (as shown in the image below) insert-gevey-sim-iphone-4
  2. Turn on your iPhone 4S and wait for few seconds for the signal to show
  3. Your iPhone 4S is now unlocked .

Buy GPP Sim :

You can buy genuine GPP Sim from Amazon . GPP Sim unlocks AT&T USa and Japan’s KDDI and Softbank .

Read in Forum : GPP Sim Not Working Problem

Update : More iPhone Unlock Solution