How to unlock Gevey SIM Baseband 4.11.08

Initially, you need to downgrade the iPhone baseband 4:11:08.

 You can open Gevey SIM if you have downgraded baseband iPhone . The baseband -downgraded up to 4:10:01

Unlock Baseband 4.11.08 – The step you should follow

• You should/must install earlier versions of iTunes or iTunes 10.4.
•  If your iphone have iTunes 10.5, then it is necessary to uninstall it.
•  Baseband 4:11:08, Download the IPSW IOS for Apple iPhone 4.
• You need to change your iPhone into DFU mode.
• You must connect the device to iTunes.
•  You need to know that the device in recovery mode. The device must be returned.
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Unlock Baseband 4.11.08 – After that, things you should do

• After returning to your device, select the IPSW download.
•  Once iTunes has finished checking the Apple server, the device will begin to recover.
•  Use TinyUmbrella and check your iPhone baseband.
• You will find it 4:10:01. Now we need an official SIM card to activate the iPhone.

Unlock Baseband 4.11.08 with Gevey SIM Unlock

• The custom IOS 5 must be downloaded. and iTunes 10.5 must be reinstalled.
• Use the latest version of redsn0w. This will help you accept custom iPhone firmware.
•  The iPhone needs to connect to the computer.
• You must return the device and go to custom firmware. Base band are not currently protected. Use Gevey SIM to unlock the iPhone now.