Windows iPhone upgrade to 3.1

How to Upgrade Jailbreak iPhone to firmware 3.1 through windows !

Connect your iPhone to pc through usb wire.

Download Custom firmware 3.1 for 2G or 3G which ever iphone you need to upgrade.

Open itunes in pc and press shift + restore and locate the custom firmware 3.1.

iPhone will upgrade itself to new firmware 3.1 automatically.

For 3G: Please add Cydia repository:repo666.ultrasn0w.com
and then search for ultra snow in Cydia, install it and reboot it.This step is additional for 3G it will unlock 3G for you.

To download custom firmware for 2G and 3G click on the link below:

For 2G: here

For 3G: here

Posted in: 2G,3.1 firmware,3G,iPhone,Jailbreak,unlocked.