AT&T isn't the only one offering a BOGO sale on Black Friday. T-Mobile has joined the fun by offering a "buy one, get one free" on select smartphones.

The good news for Windows Phone fans is that the HTC HD7 is included on the list.

 The BOGO offer is for new and existing customers (those eligible for upgrade) who sign up for a T-Mobile family plan with a two-year agreement and purchase one of the featured devicesa can get a new featured smartphone free (which includes the HD7). The new in-store BOGO promotion will be available Nov. 26 through Jan.18, to allow those who want to avoid the Black Friday crowds have the opportunity to take advantage of the offer.

Source: T-Mobile