Patent 7269449 was granted and assigned to Nokia on September, 2007 by the United States Patent and Trademark Office.
A handset having a housing having a display and first keypad. The first keypad is removably coupled to the housing. Circuitry is provided within the housing. The circuitry is adapted to interface with the display and the first keypad. A second keypad is provided. The second keypad is exchangeable with the first keypad. The second keypad is adapted to replace the first keypad on the housing when the first keypad is removed from the housing.