To unlock an iPhone, you do not need any SIM card. Most of the people consider the process of unlocking an iPhone a difficult task. But if you follow the step by step process of the unlock iphone then it is not as difficult as it sounds. However, you must be very careful while following the step by step process as a slight mistake can harm your phone.
With the development in technology, a number of software and firmware have come into the picture where unlocking the device is concerned. With firmware such as BlackSn0w, UltraSn0w and RedSn0w, the process of jailbreak iphone and unlock iphone has never been so easy.
Using any one of this firmware, you simply have to follow the step by step procedure. Following are the step by step iPhone unlock tutorials which will guide you through the easy steps of unlocking an iPhone:
1) Assuming that the iPhone is currently not jailbroken and unlocked, you may need Blackra1n or RedSn0w to jailbreak and unlock it.
2) First of all, you will need to update your iTunes to the latest firmware.
3) Using the download page, download Blackra1n and run it. Now plug it the PC and make sure to close the iTunes.
4) Once your phone is recovered, blackra1n will run in your iPhone and reboot it when done.
5) Once rebooted you will see the blackra1n icon on the screen. And then install cydia into your phone.
6) After installing Cydia and BlackSn0w, you can uninstall Blackra1n. However this will not totally remove Blackra1n from your device.
7) And then finally reboot your iPhone once again.
This step by step iPhone unlock tutorials is meant for unlocking 2G versions only. So make sure which version is your phone before following this procedure to unlock.
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