As you know, 99.99% of the Samsung phone where the model number starts with T and finished in 9 ends on T-Mobile USA. In this case, Samsung is preparing a new low end phone possibly hitting T-Mobile in the near future. This is the Samsung T379.
The Samsung T379 will run on T-Mobile ‘s 3G network, 240 x 320 screen size, Bluetooth 2.1 + EDR, with a regular phone keypad.
No more news so far about this phone.
Stay tuned for more information