This is model number SGH-T399, released in October of 2013 with scratch resistant glass, photo/video editor, document viewer, Google search, calendar, and Gmail. You can identify this phone in comparison to other phone in this line which is the Exhibit is that it has a faster processor and a better enhanced display.
The battery is a Li-ion 1800 mAh battery with stand by time up to 460 hours and talk time up to 12 hours. This phone is WiFi and Bluetooth enabled. The camera is 5 megapixels, and has LCD display with a resolution 480 x 800 pixels. The phone is 4 inches long if measured diagonally.
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