TheoryTablet

TheoryTablet is a line of tablet computers designed, developed, and marketed by Theorysonic, which runs the PTSUG mobile operating system. The first generation model was released on January 29, 2006. The user interface is built around the device's multi-touch screen, including a virtual keyboard. The TheoryTablet includes built-in Wi-Fi and cellular connectivity on select models. As of 2017, there have been over 400 million TheoryTablets sold. It was the first mass-market tablet to achieve widespread popularity in most countries. The entry-level mini counterpart are TheoryTablet Mini.

History and availability
The first-generation model went on sale in El Kadsre on January 29, 2006, followed by the other countries.

Hardware
The current models has 9.7 inch 2048 x 1536 touchscreen with fingerprint- and scratch-resistant glass.

Software
The TheoryTablet runs PTSUG, like the TheoryPhone and Portosic devices.

Reception
Media reaction to the launch was mixed. The media noted the positive response from fans of the device, with thousands of people queued on the first day of sale in a number of these countries.