Unlock iPhone 4 on iOS 5.0.1 with Gevey SIM

Unlock iPhone 4 on iOS 5.0.1 with Gevey SIM ?

If your iPhone 4 is Unlocked with Gevey sim running iOS 4.x and you want to update to iOS 5.0.1 firmware with Gevey Unlock, follow this step by step guide .

You must first preserve your iPhone 4 baseband that can be unlocked with Gevey SIM.

Fitst you must restore your iPhone 4 with custom iOS 5.0.1 ipsw with Redsn0w 0.9.10b5 to preserve your baseband.
Gevey SIM iOS 5.0.1 Supported Basebands
Gevey Sim can unlocks this iPhone 4 basebands: 01.59.00 / 02.10.04 / 03.10.01 and 04.10.01

To Unlock iPhone 4 iOS 5.0.1 You Must To Download:

    * Download Redsn0w 0.9.10b5
    * Download iOS 5.0.1 ipsw iPhone 4
    * Download iTunes 10.5.3 for Windows and Mac

Steps to Unlock iPhone 4 on iOS 5 with Gevey SIM
Step 1: Connect your idevice with your PC via USB and open Redsn0w.

 

Step 2: Select Extras and then select Custom IPSW option so that you can create your pre-jailbroken custom firmware for your iPhone.

Step 2a: Redsn0w will start Customizing your iOS 5 ispw firmware.

Step 3: Click on Pwned DFU on the screen.

Step 4: Make you sure that your device is Turned Off and Connected via USB.

Step 4a: Make you sure that your device is Turned Off and Connected via USB.

Step 5: If your iPhone is in DFU Mode open iTunes and restore with the Custom iOS 5 ipsw (Customized ispw file name begins with NO_BB).

Video Guide To Unlock iPhone 4 on 5.0.1 with Gevey SIM

Don't forget to share this post and follow UnlockBoot, We hope you would be satisfied with this tutorial ?

Source: unlock boot

Posted in: Unlock or Jailbreak