Many smartphones come with network locks These locks tie your device to one carrier The result Limited flexibility and extra costs when switching networks But what if changing providers could be easy ...
Note: For postpaid and prepaid phones, T-Mobile may ask for proof of purchase or information about your account to grant eligibility. Does T-Mobile automatically unlock eligible phones?
Peter is a writer and editor for the CNET How-To team. He has been covering technology, software, finance, sports and video games since working for @Home Network and Excite in the 1990s.