If Sprint can confirm that the contract entered into with the phone is completed, it is legal to unlock the phone for use with any network operator. Blu Ray Video Player Software For Windows 7. This is the process that you need to take to reach another carrier Carrier apn etc on the newly exchanged device.) Several flashing guides also turn AF. Knowing that you can unlock them with certain usage restrictions in the United States still gives you many domestic sales opportunities for international customers who need to pay for the service, regardless of the source of the phone, so the offers from authorized iPhone carriers are no option, even if you are Happy with an iPhone 5 or 5c and not with a newest and best iPhone 6. Do Unlocked Iphones Work With Straight Talk on this page. Jamal Hayden 5 of 5 stars 1 year ago This guy has answered all my questions and concerns and was through the repair process very professional.