The Pantech GI100 is historically significant as the world's first commercial mobile phone to feature a fingerprint sensor, released in 2004. This compact clamshell measures 82x40mm when closed, weighing just 82g, with a 1.8-inch 128x160 main display and a 1.2-inch 96x64 external display. The fingerprint reader enabled device unlock and binding speed-dial contacts to specific fingers.