Release Date
2012, September. Released 2012, November
OS
N/A
Processor
Qualcomm MSM8960 Snapdragon S4 Plus
Battery
Removable Li-Ion 1650 mAh battery (BP-5T)
⚠️ Important Notice
Flashing firmware can be risky. Follow instructions carefully and backup your data before proceeding. We are not responsible for any damage to your device.
Available Firmware Files
| File Name | Size | Download |
|---|---|---|
|
Nokia_Lumia_820_RM-824_059R4Q6_1232.5951.1249.0001_V004.zip
|
||
|
Nokia_Lumia_820_RM-825_059Q961_HWT_V156.zip
|
||
|
Nokia_Lumia_820_RM-826_059R4W2_HWT_V074.zip
|
How to Flash Stock ROM
- Download the correct ROM file for your device
- Install the required flash tool
- Enable USB debugging on your device
- Boot your device into download mode
- Connect your device to computer via USB
- Load the ROM file in the flash tool and start flashing
- Wait for the process to complete
- Reboot your device
Precautions
- Backup all important data before flashing
- Ensure battery is at least 50% charged
- Use original USB cable for stable connection
- Don't disconnect during flashing process
- Download ROM only for your specific model
- Follow manufacturer's instructions carefully