Key features
Quad-band GSM/GPRS/EDGE support
Quad-band 3G with 21 Mbps HSDPA and 5.7 Mbps HSUPA support
4.0" 16M-color IPS LCD display of WVGA resolution
5 megapixel autofocus camera with 720p@30fps video recording
Windows Phone 8 OS
1 GHz dual-core Krait CPU, Adreno 305 GPU, Qualcomm MSM8227 chipset, 512MB of RAM
Wi-Fi 802.11 a/b/g/n, dual-band
GPS receiver with A-GPS and GLONASS support
Free lifetime voice-guided navigation (with a twist)
8GB of inbuilt storage, expandable via a microSD card slot
Active noise cancellation with a dedicated mic
Built-in accelerometer and proximity sensor
Standard 3.5 mm audio jack
microUSB port
Bluetooth v3.0 with A2DP and EDR, file transfers
SNS integration
Xbox Live integration and Xbox management
Nokia Music
Extremely competitive pricing

Main disadvantages
Common LCD lacks the punch of CBD
A few prominent apps still missing, some apps incompatible due to 512MB RAM
No FM radio
No front-facing camera
No LED flash
No system-wide file manager
No lockscreen shortcuts
Voice-guided SatNav license limited to a single country

wow.... wonder why i cant get such nice pics when i take the pic hand-on 520?