| General | |
| Manufacturer: | Nokia |
| Model: | Lumia 820 |
| Platform: technological, no software |
Arrow |
| Year: | 2012 |
| Operating system: | Windows Phone 8 |
| Capacity battery (MAh): | 1650 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
68.5 x 123.8 x 9.9 |
| Weight (g): | 160 |
| Processor | |
| Processor Type: | Qualcomm Snapdragon S4 Plus MSM8960 |
| Memory | |
| Random access memory (RAM) (MB): | 1024 |
| Read-only memory (ROM) (GB): | 8 |
| Communications | |
| Phone: | GSM 1800, GSM 1900, GSM 850, GSM 900, LTE 1800, LTE 2100, LTE 2600, LTE 800, LTE 900, UMTS 1900, UMTS 2100, UMTS 850, UMTS 900 |
| Bluetooth: | 4.0 |
| Wi-Fi: | 802.11a,b,g,n |
| Other: | EDGE, GPRS, GPS, HSDPA, HSPA+, HSUPA, NFC, UMTS/WCDMA, GLONASS |
| Multimedia | |
| Screen Size: | 4.3 |
| Screen Resolution (px): | 480 x 800 |
| Screen type: | AMOLED |
| Accelerator: | Adreno 225 |
| Rear camera (Mp): | 8 |
| Autofocus: | Yes |
| Flash: | Yes |
| Front camera (Mp): | 0.3 |
| Speaker: | mono |
| Output of earphones: | 3.5 |
| Other: | G-Sensor, Gyroscope, Light sensor, Proximity sensor, Digital compass |
| Management and input | |
| Touchscreen: | capacitive |
| Buttons: | touch buttons |
| Extension | |
| Memory Cards: | microSD, microSDHC |
| Connectors: | microUSB |
| Additionally | |
| Features: | Wireless charging, removable rear panel, microSIM |