Ok, it worked, finally!! I did the "restore iphone", then "restore from itunes", which got rid of Cydia, etc.. Thanks for the help guys, was ready to throw in the towel.

Bear, something just occured to me. My last iPhone I had was jailbroken, and that's the iTunes I restored from, the only one I have set up. Could that have something to do with the problem of "erasing" and starting over with this unlocked iphone 4 I have now?

So I go to AT&T, and T-Mobile, neither can figure out why I'm not getting notifications of new text messages, or sometimes no texts at all. They both said to do an "erase all contents..", but I can't. The phone just won't do it. I tried again last night with the phone charging, and it went...

Still unable to "erase all contents", and re-start this process. It just acts like it's deleting everything for hours on end, until the phone dies. Was going to try it with the phone plugged in and charging, but haven't yet. Do you think the problem is that I just haven't let it reset...

Thanks for the help, and the link. I do think now that when I activated this phone, I did not follow the correct procedures that T-Mobile lists there. So, now that I'm trying to "erase all contents..", and start over and do it like the way the link you showed says, the phone will not erase...

Hello, and thanks in advance for any advice/help you can lend. My buddy gave this iPhone 4, his daughters, and had it unlocked by AT&T, I use T-Mobile. So I had my sim cut down, backed up my, and don't laugh, old iPhone 1, put the sim in, and restored to this newer phone from my iTunes. This...