Hi Guys It's a long story but please try and help me my brother bought me iPhone 4 in the east and it was locked to at&t for the past 2 years (used ultrasn0w with lower baseband) yesterday i paid someone in ebay and got the unlock on itunes (with the message and all). today i deleted my ultrasn0w and deactivated the device by using redsn0w. the message of the unlock pop up in the itunes and now i'm without ultrasn0w (for what i know) or any other unlock helper and i can see my carrier ! It has low signal but i can communicate with calls. some things still dosen't work right like whatsapp push. So i decided i want to restore my phone and check if it's all alright. I took iOS 5.0.1 and 5.1.1 ipsw and preserved the baseband with redsnow. I am unable to restore my iphone to custom IPSW right now because of errors like 1601 1602. I also tried iReb to help me get it into DFU mode but the itunes stuck at "verifying with apple" Any suggestions on how to check it all works ? I don't trust it right now and i don't want to have an iPod of my iPhone 4.