Unlock iphone 3gs

edited March 2019 in Phones
If you have an iPhone 3GS it is possible to unlock this. It involves a process known as jailbreaking and then running some additional software to perform the actual unlock.

The first thing to do is to check that there is an available unlock for the version of iOS known as firmware that you are using, or that there is a downgrade to a supported firmware with jailbreaking. To check your iOS version, go to Settings > General > About on your iPhone.
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