I have a sim card in the iphone right now from a prepaid phone, and they said I have to unlock it to get it to work. But I cant get passed the "invalid sim" screen. I need to know an EASY way to unlock this phone without a sim card. PLEASE HELP:(
How to unlock iphone 4 without a sim card?
Call the customer services and get the network unlock code once u for dat put a different sim card and u will get the option to enter that code click done after doin it yo phone will restart which means it has been unlocked.u can ask the detailed procedure when u call the customer services. But u will need a sim card to unlock without it is not possible.
You can Unlock I-Phone from NETWORK LOCK then you can get passed from "invalid sim" screen… It's currently under network lock. You can get Remote Unlock service from the site http://www.superunlockcodes.com/apple-iphone-4/rs12wp9/ and Unlock it easily. You can Use NOT ACCEPTED SIM card to Unlock it.