Please can someone tell me if I have a sim unlock adapter and I'm running 2.0 on the iPhone 3G and I upgrade to 2.1, the sim unlock adapter will keep on working?
I read somewhere that some of those sin unlock adapters have a firmware and they can be updated, so would I be able to use it after the upgrade to 2.1 or it might not work until I get the firmware of the sim unlock adapter updated.
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