O2 XDA Serra mobile phone is apt  for one who is looking for a business class smartphone. This handset is a little on the fatty side. The exterior of this device has a smoky black colour. This smartphone works with Qualcomm MSM720 528 MHz ARM 11 processor and Microsoft Windows Mobile 6.1 operating system.

The networking features of O2 XDA Serra mobile phone are quad band GSM and HSDPA. The data transfer features of this smartphone are 3G, EDGE and GPRS. In addition to Wi-Fi, this smartphone also features Bluetooth with A2DP and miniUSB. For internet experience, it features WAP 2.0/xHTML, HTML browsers. The navigator of this handset is driven by A-GPS reciever.

The handset is endowed with a 3.15 MP camera using LED flash, autofocus, video recording and it offers 2048 x 1536 pixels resolution for the images. A secondary VGA videocall camera is also available in this device. Entertainment options such as Games, an MP4, WMV,3gp player and an MP3, WAV, WMA player offer non-stop enjoyment.

O2 XDA Serra mobile phone has a 2.8 inch TFT resistive touchscreen display of 65 thousand colours and 480 x 640 pixels resolution. Handwriting recognition, Touch-sensitive navigation controls and Accelerometer sensor are also possible with this gadget. The phone book and call records can save unlimited entries and fields. Photocall facility is also available.

The internal memory of O2 XDA Serra mobile phone is explained by a 512 MB ROM and 288 MB RAM. An expandable microSD memory is also available. The texting features include SMS, MMS, Email and Instant Messaging. Some of the other features include downloadable polyphonic, MP3, WAV, WMA ringtones, Pocket Office, Voice memo and Predictive text input.

O2 XDA Serra mobile phone weighs about 165 grams and its dimensions are 102 x 51 x 18.1mm. The battery of this mobile phone is standard Li-Ion 1340 mAh. The talktime offered is of up to 8 hours and standby up to 406 hours.