Apple makes it notoriously difficult to unlock iPhones ... freedom to use your iPhone with any carrier. Unlocking your iPhone ...

There are free services too ... You can sometimes get a carrier to unlock an iPhone by calling them. You could also try a third-party unlocking service such as: Doctor SIM, promises to refund ...

Are you thinking of switching your T-Mobile phone to a new carrier? If so ... days of your device becoming eligible. How to unlock an iPhone on T-Mobile Once you've met all the eligibility ...