Use Unlocked Iphone On Tmobile

(by the way if you search Sprint Forums there is ONE report of a person that supposedly unlocked their iPhone 5 to use on T-Mobile. Cell Phones Unlocked Android on this page.

Unlock Your Mobile Wireless Device Learn how to unlock your wireless mobile device for use on other carriers (formerly SIM Unlock). We're committed to providing you with clear information about how to unlock your mobile wireless phones and tablets for use across different mobile carriers. Most mobile devices are programmed to prevent the device from operating with another wireless carriers network without first obtaining an unlock code. If you purchased your device from T-Mobile or if you have a T-Mobile authorized device please follow the steps outlined below to determine your eligibility to receive an unlocking code for your device. DEVICE COMPATIBILITY It's important to understand that mobile carriers typically use different frequencies and technology to provide wireless network access. This means that not all phones and tablets are compatible between every mobile carrier – for more information about compatibility with T-Mobile’s network please check Even if your phone or tablet is compatible between carriers, some functionality of your device may not operate the same on a different mobile carrier’s network.