Design and Build
In terms of design, the Bird S590 centers on simplicity and portability. Measuring at 107 x 44 x 20 mm and weighing just 75 grams, it offers a compact and lightweight profile that fits comfortably in the hand or pocket. The phone features a classic candy-bar form and sports a durable plastic construction, characteristic of the phones in its era. It uses a Mini-SIM, staying true to the standard at its time of release.