I just purchased a iPhone 3G from Australia unlocked by carrier. I have read numerous reports.That it will stay locked when you update it. But I have also read that if you update it via iTunes in another country it will lock again.

Can anyone confirm or deny this?

Thanks

if factory unlocked then the phone is forever unlocked regardless of baseband version. When you connect iphone + itunes, it will check with apple server to activate the phone and unlock in one shot after a fw upgrade.

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