M Madison New member Jan 17, 2011 #1 I'd like to upgrade my iPhone OS 3.1.3 to the new OS 4.2.1 and I have to unlock it so I was wondering how i did this?
I'd like to upgrade my iPhone OS 3.1.3 to the new OS 4.2.1 and I have to unlock it so I was wondering how i did this?
