Samsung has announced its latest mobile phone with slide-flip qwerty keyboard, the Samsung T559 Comeback. This techie device supports T-Mobile’s 3G network and can easily access web features like email, social networking and messaging. One of the unique features of this device is its T9 predictive text and auto word completion, which makes it a perfect typing device. It is also equipped with a GPS receiver, bluetooth, 2-megapixel camera with autofocus, and a microSD slot which supports up to 16GB. The Samsung T559 Comeback is available now on T-Mobile for $129.99 on a two-year contract, and you can also choose in two colors; purple and red.