relock

I just bought an unlocked AT&T iPhone on version 4.1 and I want to know if updating to 4.3.5 will re-lock it. Also, will it re-lock if I decide to update to iOS 5 when it comes out?

I've had my iPhone 3G for a couple of years and when out of contract i asked O2 to unlock it, which they did. I've used a Three sim card and it works okay. I've now decided to sell it but before I send it to the buyer i want to factory reset the phone. Will it remain available to use on any...

teams you unlocked? I've been playing Fantasy Challenge mode lately to unlock the "theme" teams (I had tried it when I first got the game, but I detested the mode and didn't want to waste the space on my memory card, but now out of boredom I've started again) but the size of a FCmode save is...

My iPhone's unlocked, and I want to restore it. I realize that it'll no longer be jailbroken, but will it be re-locked as well if I restore my iPhone? Or will it still be unlocked, and ready to use with T-Mobile?

I have a UNLOCKED AT&T Tilt form America i use in Canada i want to remove some software but to do that i need to do a hard reset but I'm afraid if i do it will re lock. Will it?

I have 2G iPhone that has been unlocked. I want to install some applications from the iTunes Store. I want to know if my phone will automatically lock its self or if there is some thing that will cause a malfuction of some sort to some of the other features.