iPhone 5 release date rumors: T-Mobile trains employees to “sell against the iPhone,” launch date confirmed?

TmoNews (via Engadget) has posted photos from T-Mobile USA’s internal news system notifying employees of new training programs focused on “selling against the iPhone” starting Sept. 21.

The document also indicates that the company won’t be offering the iPhone 5 once it is released.

The photos reveal that T-Mobile is training emplyees to sell “against the iPhone” on the Sept. 21 release date.

TmoNews also posted a memo that says the carrier will offer Monthly4G MicroSIM kits that will let current iPhone 4 and iPhone 4s users to unlock their phones onto this network.

Apple’s next iPhone is expected to be unveiled during a press conference on September 12th.