Introduction
The Qtek 9100, released in the third quarter of 2005, marks a distinctive entry from the mid-2000s era of smartphones, a time when devices were transforming dramatically in terms of functionality and design. Though now discontinued, the Qtek 9100 was noteworthy for its use of Microsoft Windows Mobile 5.0 PocketPC OS and its focus on productivity with physical QWERTY keyboards, catering to business professionals and tech enthusiasts alike.