Phone Specifications

Nokia Lumia 820 specification and features

Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 7, 8, 20
SpeedHSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps
Launch
Announced2012, September. Released 2012, November
StatusDiscontinued
Body
Dimensions123.8 x 68.5 x 9.9 mm, 83.5 cc (4.87 x 2.70 x 0.39 in)
Weight160 g (5.64 oz)
SIMMicro-SIM
Display
TypeAMOLED capacitive touchscreen, 16M colors
Size4.3 inches, 52.6 cm2 (~62.1% screen-to-body ratio)
Resolution480 x 800 pixels, 5:3 ratio (~217 ppi density)
 Nokia ClearBlack display
Platform
OSMicrosoft Windows Phone 8, upgradable to 8.1
ChipsetQualcomm MSM8960 Snapdragon S4 Plus
CPUDual-core 1.5 GHz Krait
GPUAdreno 225
Memory
Card slotmicroSDXC (dedicated slot)
Internal8GB 1GB RAM
Main Camera
Single8 MP, AF
FeaturesCarl Zeiss optics, dual-LED flash
Video[email protected]
Selfie camera
SingleVGA
Video
Sound
LoudspeakerYes
3.5mm jackYes
Comms
WLANWi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct
Bluetooth4.0, A2DP, EDR, LE/ aptX after WP8 Denim update
GPSYes, with A-GPS, GLONASS
NFCYes
RadioFM radio
USBmicroUSB 2.0
Features
SensorsAccelerometer, gyro, proximity, compass
Battery
 Removable Li-Ion 1650 mAh battery (BP-5T)
Stand-byUp to 330 h (2G) / Up to 330 h (3G)
Talk timeUp to 14 h (2G) / Up to 8 h (3G)
Music playUp to 55 h
Misc
ColorsBlack, Gray, Red, Yellow, White, Blue, Violet
SAR1.37 W/kg (head)     0.71 W/kg (body)    
SAR EU0.79 W/kg (head)    
Tests
Display Contrast ratio: Infinite (nominal) / 2.193:1 (sunlight)
Camera Photo / Video
Loudspeaker Voice 67dB / Noise 66dB / Ring 70dB

Audio quality Noise -82.2dB / Crosstalk -81.4dB
Battery life
Endurance rating 40h