When the iPhone 3GS was first available, what was the version of software it came with and is it possible to replace the version I have with the origianl version?
It's not possible to downgrade from a major version
The iPhone 3GS came with iPhone OS3.0. It's not possible to install this version if you have iOS 6
What if I have version IOS 5 or earlier? Is it possible then? I can downgrade from IOS 6.
Ok. Thanks. I appreciate your time and expertise. You have been a great help.
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