If you have an iPhone 3G it is pretty easy to unlock for free. It involves a process known as jailbreaking (opening up the software on your phone) and then running some additional software to perform the actual unlock. To check your iOS version and baseband, go to Settings > General > About on your iPhone.

The only way to gain access t the iPhone again is to restore it via recovery mode which will remove all of the information from the device. To place the device into recovery mode you will need to power the device off, connect it to iTunes via the USB cable it came while holding the home button beneath the touch screen.

Switch between 3G/4G – Apple iOS

1. Select Settings.
2. Select Mobile Data.
3. Select Mobile Data Options.
4. Select Voice & Data.
5. To enable 3G, select 3G.
6. To enable 4G, select 4G.

Through this website, you will be able to unlock your iPhone for free in no time. They can unlock any models of iPhone such as: And what will happen with this is that your iPhone will be whitelisted from the Apple Activation Database.

Download Redsn0w 0.9.2 (redsnow 0.9.2) to Jailbreak Iphone (Iphone 3G and 3GS), and Unlock Iphone on windows and Mac OS X. This works on Apple firmware 3.0 and 3.1.2.Ultimate Jailbreaking and Unlocking tool.

If you need a carrier unlock, redsn0w will handle iPhone 2G by itself by installing the BootNeuter utility. For the 3G and 3GS, use Cydia after you’re jail-broken to install ultrasn0w (baseband 04.26, preferred) or blacksn0w (baseband 05.11). Dev Team has the following advice.

And thus, unlocking your iPhone device by the use of this website is completely legal that is why you will not be able to void any of the terms and as well as the warranty from Apple. Also, this website will only be using the IMEI of your iPhone device and that you will no need to have its jailbreak.