| General | 2G Network | GSM 850 / 900 / 1800 / 1900 | |
| 3G Network | HSDPA 2100 | ||
| Announced | 2008, July | ||
| Status | Available. Released 2008, September | ||
| Size | Dimensions | 102 x 51 x 18.1 mm | |
| Weight | 165 g | ||
| Display | Type | TFT resistive touchscreen, 65K colors | |
| Size | 480 x 640 pixels, 2.8 inches | ||
| - Full QWERTY keyboard | |||
| - Accelerometer sensor for auto-rotate | |||
| - Touch-sensitive navigation controls | |||
| - Handwriting recognition | |||
| Sound | Alert types | Vibration; Downloadable polyphonic, MP3, WAV, WMA ringtones | |
| Speakerphone | Yes | ||
| Memory | Phonebook | Practically unlimited entries and fields, Photocall | |
| Call records | Practically unlimited | ||
| Internal | 288 MB RAM, 512 MB ROM | ||
| Card slot | microSD (TransFlash), buy memory | ||
| Data | GPRS | Class 10 (4+1/3+2 slots), 32 – 48 kbps | |
| HSCSD | No | ||
| EDGE | Class 10, 236.8 kbps | ||
| 3G | HSDPA, 7.2 Mbps | ||
| WLAN | Wi-Fi 802.11 b/g | ||
| Bluetooth | Yes, v2.0 with A2DP | ||
| Infrared port | No | ||
| USB | Yes, miniUSB | ||
| Camera | Primary | 3.15 MP, 2048×1536 pixels, autofocus, LED flash | |
| Video | Yes | ||
| Secondary | VGA videocall camera | ||
| Features | OS | Microsoft Windows Mobile 6.1 Professional | |
| CPU | Qualcomm MSM 7201A 528 MHz processor | ||
| Messaging | SMS (threaded view), MMS, Email, Instant Messaging | ||
| Browser | WAP 2.0/xHTML, HTML | ||
| Radio | Stereo FM radio with RDS | ||
| Games | Yes | ||
| Colors | Black | ||
| GPS | Yes, with A-GPS support | ||
| Java | Yes, MIDP 2.0 | ||
| - MP3/WAV/WMA player | |||
| - MP4/WMV/3gp player | |||
| - Pocket Office (Word, Excel, PowerPoint, OneNote, PDF viewer) | |||
| - Voice memo | |||
| T9 | |||
| Battery | Standard battery, Li-Ion 1340 mAh | ||
| Stand-by | Up to 406 h | ||
| Talk time | Up to 8 h | ||
Users Opinions and Reviews
The O2 Xda Serra come packed full of some of the very latest technology to include
- Touch FLO 3D interface, a full QWERTY keyboard, a 2.8-inch VGA touch screen, a 3.2- megapixel camera for high-quality image and video, Windows Media Player, Fm radio with RDS
- Support HSDPA Internet connectivity, integrated GPS, Wi-Fi, Bluetooth
- Offer Microsoft® Direct Push email, Windows Mobile 6.1 Professional Operating System to create, open and edit office documents
- Impressive battery life (Talk for up to 3.5hrs and has a standby battery life of 17hrs)
- 512MB of flash memory, 288MB of RAM, and a microSD expansion slot support up to 32GB
- A fast processor
- Attractive looking
Some of bad issues or negative marks are:-
- A bit small footprint
- Rather heavy and bulky
Standing by the XDA range of devices offered by O2 mobile company, the Serra ranks the top. As for anyone who has previously owned one of O2 handsets, the O2 XDA Serra is a perfect option for a business smart phone.