O2 XDA Atom Windows Smartphone was launched in November 2005. The phone has 64 MB RAM and internal storage is expandable using miniSD.
The O2 XDA Atom has a 2.7 inches, 240 x 320 pixels TFT LCD display with a pixel density of 148 ppi. Coming to cameras, it has a 2 MP rear camera. It has a microUSB port for data syncing and charging. It is a single SIM smartphone with support for Wi-Fi, FM Radio and Bluetooth too.
The O2 XDA Atom runs on Microsoft Windows Mobile 5.0 PocketPC and all this is powered by a 1530 mAh battery. It measures 102 x 58 x 18.5 mm (height x width x thickness) with a total weight of 140 grams including battery.