If you bought your phone with a subsidized 2 year service contract, the mobile operator does not need to unlock it before the two years have elapsed, or you will terminate the contract and pay an ETF. Unlock An American Tied Phone But it has become even easier when new rules for mobile-powered locked mobile phones came into force on February 11, 2015. Piano Software Full Version For Windows 7. Of course, Sprints iPhone 6 (once unlocked) is the best for international travel because it the same model sold In Europe, tons of European, Asian and Middle East have LTE support. Published Posts: Is the unlocked iPhone 4S compatible with my carrier? (Reader Mail) Locked version of iPhone 4S on sale iPhone unlocks on Wednesday? Sometimes device unlock can take multiple phone calls and hours (up to two days according to the CTIA guidelines.) If you take your device abroad, I recommend that you start the process at least one week in advance.