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I purchased an unlocked at&t iphone 4s a while back and currently use it with t-mobile. I've decided to upgrade and sell the phone, but I'm wondering if the phone will still be unlocked after I remove the sim card or will it still have to be used with tmobile?
Thanks
iPhone 4S
A previously locked phone that has been properly and legitimately unlocked will stay unlocked forever.
A previously locked phone that has been properly and legitimately unlocked will stay unlocked forever.
Great. Thank you for clearing that up.
However... a phone that was hacked to unlock will almost certainly re-lock whenever it's updated or restored.
I actually restored the phone about a week ago and once it rebooted a message saying "congratulations your iphone is unlocked" showed up on itunes, so would that mean that it was factory unlocked? or is there still a chance of it having been hacked to unlock?
Did AT&T approve the unlock? If so, it's legit.
The "congratulations...." message is what is seen as the final step of the official unlocking process, when you restore. Don't know what the hacks say, but most likely it's official, particularly if the unlock survived restoring. The only way to know for sure is if AT&T did the unlocking.
My iphone will not stay unlocked , how do I get it to stay unlocked for several hours
You should probably start your own thread, and thoroughly describe your problem, instead of tacking your question onto one that has been dead for over 2 years.
Does a phone stay unlocked forever?
