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Is My iPhone 4S / 4 / 3gs Unlock Able?

Many people want to unlock their mobile phones in order to use the alternative SIM cards, usually at the end of the initial contract period or during that time. As you are aware most of the iPhone’s are “locked” to a particular network i.e. iPhone by AT&T in the US and by O2 in UK. Most of us need to use our phones with different carriers while we are are travelling or sending our mobiles as gift to other countries, but can not use due to its locking to the native carrier. Therefore we need carrier unlock iPhone, by unlocking the iPhone you can be able to place calls with any GSM carrier by inserting different Subscriber Identity Modules (SIMs) into the phone. After iPhone is unlocked you only need to buy any local GSM-compatible SIM and put it in your iphone to make your calls hence avoiding using the iphone with roaming and paying lot for roaming charges. I …

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how to unlock an iphone

Below guide will help you on how to unlock an iphone, I was able to  unlock my iphone easily within few minutes.  After unlock you can use your iphone on any mobile carrier so it is in the state of carrier unlock. You must have to jailbreak your iphone before and you can jailbreak by visiting my Tutorial on How to Jailbreak. Now I assume that you are having iPhone 4, iPhone 3GS or iPhone 3G that are already jailbroken on iOS 5.0.1, therefore we shall unlock iphone through recently released Ultrasn0w 1.2.5. Note: T-Mobile USA users have to disable 3G network before starting unlocking iphone Go to Settings >General >Network and switch the “Enable 3G” switch to OFF. UltraSn0w 1.2.5 Supported Basebands are as under: iPhone 4: 01.59.00 iPhone 3G/3GS 04.26.08 05.11.07 05.12.01 05.13.04 06.15.00 Remember your device should be Jailbroken so that you can use Cydia for unlocking using UltraSn0w 1.2.5, you can visit this article to jailbreak now. Steps for Unlocking are: Step 1: Tap Cydia icon …

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