Introduction
The Qtek A9100, a smartphone from the mid-2000s, represents an era of mobile technology that bridged the gap between traditional mobile phones and the early wave of smartphones. Released in 2006, the device was a part of the movement towards integrating more advanced computing features into handheld devices. Although it has been discontinued, the Qtek A9100 is still remembered for its contributions to mobile communication in its time. This review delves into the key aspects of the phone, highlighting its specifications and features.