If you buy an iPhone on T-Mobile USA and its Find My iPhone from the previous owners, an activation lock screen appears when you want to perform certain actions (eg iOS upgrade, network or other settings, and even after restart) .Faisal Hello, is it possible to my phone to unlock? it the iPhone 5 in the UK, it block in afghanis either, like the SIM card used katie how to unlock a lot of an iphone 5 by Rogers, the result of a blacklisted t-mobile usa iphone is not in a position in the usa The United States network shares the same blacklist), in Canada (because some Canadian networks share the same blacklist across the United States), Mexico and Puerto Rico. This has not been a long time for Sprint iPhone True, but if you ask a Sprint employee, they will tell you that an unlocked iPhone is only suitable for international unzipping 4s or 5, and it will not work in the United States. High Speed Internet Browser Software. To unlock iPhone, it very important that you choose your original network provider, is tied to iPhone (the network provider you purchased the phone). Sprint is a CDMA carrier and T-Mobile is a GSM carrier. However, you must follow Sprint instructions to unlock the phone. To do this, you must eventually connect your Mac or PC to get to the iTunes process at a specific time. How To Unlock Old Iphone 4. We hope you will embrace lifelong service and appreciate the lengths our support team will go to ensure our customers. I Found An Iphone 6s How Do I Unlock It. You should always attach the account number of the device, the account holder password, or the last four digits of the security number, device IMEI or MEID number and other information to request unlocking. Apple may suggest or recommend answers as a possible solution based on the information provided; All possible issues may involve a number of factors not described in detail in the discussions in an online forum, and Apple can not guarantee the effectiveness of proposed solutions in community forums. Devices developed by both operators are technically compatible, but T-Mobile handsets are connected to their own network and will reject other SIM cards.