Unlock Iphone 4 Ios 7.1 2

How To Tether Downgrade iOS 7.1. Unlock Iphone 4s From T Mobile. 2 To iOS 6.1. Can You Unlock A Sprint Phone For Any Carrier. 2 iphone 4 You know you can Tether Downgrade iOS 7.1.2 To iOS 6.1.2 with No SHSH Blobs works on iPhone 4 iPod Touch 4 and ipad 1, the developer release GeekGrade which gives you the ability to downgrade your iPhone 4 (GSM, CDMA, and Rev A) and your iPod Touch 4 Generation, but the only problem is tethered. It means that every time you turn off your device, you will need to boot it with a software so it can boot up. You can boot tether your device with redsn0w or GeekSn0w. You can download the downgrade software from here. This tools can give you a new life to your device, special if its icloud lock, you must try this method to unlock it.