On September 24th T-Mobile will celebrate its new Value Plan with a one-day promotion that allows customers a chance at T-Mobile’s newest handsets for a down payment of $99.99 or less after mail-in rebate. You can pick up an HTC Sensation 4G, myTouch 4G Slide, Blackberry Bold 9900 or a T-Mobile G-Slate when paired with a Value Plan with 2Gb of data or higher on a two year agreement. Every smartphone, tablet and mobile broadband product will be included in this promotion with down payments running from $0 to $99.99 after a mail-in rebate card and an Equipment Installment Plan. The good news, this deal works for both new AND existing customers!

Check out this T-Mobile link for more details and hit the press release below for ALL the info you could want!

Full Press Release:

T-Mobile Continues to Celebrate Value by Discounting All Smartphones and Tablets During a One-Day, In-Store Special Promotion

On Sept. 24, T-Mobile will hold the “Yes, Every Smartphone Is on Sale, Sale” during which all data- and feature-rich devices can be purchased for $99.99 down or less

BELLEVUE, Wash. — Sept. 20, 2011 — On Saturday, Sept. 24, 2011, T-Mobile USA, Inc. will continue to celebrate its new Value plans with a one-day promotion allowing consumers to purchase any smartphone, tablet or mobile broadband device on any of the company’s Unlimited Value™ plans with 2GB or higher of full-speed data, on a two-year agreement, for a down payment of $99.99 or less, after mail-in rebate card, at T-Mobile retail locations nationwide.

New and existing customers will be able to purchase T-Mobile’s newest devices, including the HTC Sensation™ 4G, T-Mobile^® myTouch^® 4G Slide, BlackBerry^® Bold™ 9900 and T-Mobile^® G-Slate™ with Google™, for a down payment of $99.99 or less, after mail-in rebate card, when paired with any of T-Mobile’s new qualifying Value plans with unlimited data — including the unlimited talk, text and data family plan for $49.99 per month for each of two lines. Every smartphone, tablet and mobile broadband product T-Mobile offers will be included in the promotion and will range in price with a down payment between $0 and $99.99, after a mail-in rebate card, on an Equipment Installment Plan.¹

“T-Mobile is committed to making 4G affordable with the latest wireless mobile Internet services and devices that fit within every budget, all on America’s Largest 4G Network,” said John Clelland, senior vice president of marketing, T-Mobile USA. “We continue to look for ways to help consumers step up to data. Our one-day, in-store promotion will make it easier for customers to get greater savings by making all of our smartphones, tablets and mobile broadband devices available with minimal cost upfront.”

In July, T-Mobile launched its featured Value plan, with unlimited talk, unlimited text and unlimited data — with 2 GB of high-speed data — for just $49.99 per line for two lines.

The following is a sample list of some of the exceptional devices available through the promotion at participating retail locations nationwide: