Release Date
2013, August. Released 2013, August
OS
N/A
Processor
Mediatek MT6582M (28 nm)
Battery
Li-Po 2250 mAh, removable
⚠️ 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 |
|---|---|---|
|
Lenovo_A850_B140_MT6582_20140829.zip
|
1 GB | |
|
Lenovo_A850_S127_MT6582_20140303.zip
|
884 MB | |
|
Lenovo_A850_S128_MT6582_20140627.zip
|
884 MB | |
|
Lenovo_A850_MT6582_S121_281113.zip
|
496 MB |
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