T-Mobile today announced the iPhone and it will be available this April 12th. Apple will start selling the new iPhone (A1428) with AWS HSPA+ bands and LTE compatible with T-Moible. Apple has enable these bands especially for T-Mobile. This iPhone will support too AT&T LTE bands. However, existing iPhones wont be capable of running LTE and HSPA on AWS, not even with updates.
The A1428 edition of the iPhone 5 that Apple will start hawking on April 12th will arrive unlocked out of the box. By default while directly from T-Mobile will remain locked until you pay the whole amount.
Engadged says that Apple ont its 24-hour locations will begin selling these promptly at 12:01AM on 4/12. For those who order from Apple’s online site, you’ll need to phone up T-Mobile to have the unlock applied.