iPhone 4S Unlock on iOS 5.1.1 is possible using Gevey Ultra S Sim interposer . Gevey Ultra S is the latest release from Gevey Sim makers who unlocked iPhone 4 . Gevey Ultra S unlocks all GSM based iPhone 4S phones starting iOS 5.0 and older .
- No Jailbreaking required to use Gevey Ultra S
- Full unlocking for any carrier worldwide
- Plug and play operation . Instantly unlocks your iPhone 4S
- No Need to dial 112 unlike the original Gevey Sim interposer
- Unlocks 2G and 3G voice and data services
- Buy from Amazon at half the original price with money back guarantee on a non-working product
How to Use Gevey Ultra S for iPhone 4S Unlock :
- Take out the sim card holder from your iPhone 4S
- Now replace it with your own microsim card (from non official carrier) and the Gevey Ultra S sim holder
- Insert the Gevet Ultra S with your SIM Card in your iPhone 4S as shown here .
- The No Sim will change to No Service and within a few moments you will see your own carrier with signal bars appear
Buy Gevey Ultra S :
You can directly purchase through one of the Gevey Sim resellers on Amazon for half the original price . Link .
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Edited and Published by Sourish