T-Mobile Issues “All Hands” Notice for September 21st, Rumored iPhone 5 Release Date Adam Mills08/30/2012 While T-Mobile likely won’t be releasing the iPhone 5 if and when it arrives in September, the carrier has gone ahead and issued a “All Hands” notice for employees starting the same day that the iPhone 5 is supposed to be released. According to TMoNews, T-Mobile is issuing a notice for All Hands required work days set to begin on September 21st and end of September 24th. While the purpose of the notice remains unclear, September 21st is the day that Apple is rumored to be releasing the iPhone 5.Advertisement AT&T and Verizon both have reportedly issued employee vacation blackouts that last from September 21st through September 30th. Previous rumors have stated that Apple will launch the iPhone 5 at an event on September 12th, and release the iPhone 5 in the United States and possibly elsewhere on September 21st. Read: iPhone 5 Release Date Still Looks Good for September 21st. T-Mobile has issued an all-hands notice for September 21st-24th.Advertisement The purpose of T-Mobile’s “All Hands” days remain unclear. The carrier is unlikely to get the iPhone 5 at launch so it could be for marketing purposes or for the launch of a device not called the iPhone 5.Advertisement Whatever the case may be, it looks like T-Mobile is making sure that it doesn’t go unnoticed if Apple does intend to launch the iPhone 5 on September 21st. Read: Verizon Issues Vacation Blackout For iPhone 5 Release Date. The news comes shortly after a document leaked which indicated that T-Mobile would not be getting the iPhone 5, at least at launch. Instead, the carrier has been briefing employees on how to court potential iPhone buyers though the details of the courtship remain unclear.Advertisement T-Mobile also sent a memo to employees outlining a new MicroSIM kit that works with the Apple’s iPhone 4 and iPhone 4S. The new Monthly4G will allow users to easily bring an unlocked iPhone 4 or iPhone 4S to T-Mobile. The carrier is actively courting iPhone users, and it should be able to deliver “4G” HSPA+ connectivity to iPhone users later this year, after it received the 1900Mhz spectrum from AT&T for the failed merger. T-Mobile isn’t expected to launch a 4G LTE network until 2013. iPhone 5 Rumors Besides 4G LTE, the iPhone 5 has been rumored to feature a new larger 4-inch display, an upgraded processor, an HD front-facing camera, 4G LTE data speeds, and iOS 6. Advertisement In addition, Apple is said to have given it a metal back and a new dock connector.