Release Date
2018, March
OS
N/A
Processor
Mediatek MT6739 (28 nm)
Battery
Li-Po 3000 mAh, non-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 |
|---|---|---|
|
Lava_Z91_MT6739_20180102_7.1.zip
|
2 GB | |
|
Lava_Z91_MT6739_20180608_7.0.zip
|
2 GB | |
|
Lava_Z91_MT6739_2GB_16_V1.0_S110_20180812.zip
|
2 GB | |
|
Lava_Z91_MT6739_2GB_16_V1.0_S118_20190419.zip
|
2 GB | |
|
Lava_Z91_MT6739_3GB_32_V1.0_S136_20180813.zip
|
2 GB | |
|
Lava_Z91_MT6739_3GB_32_V1.0_S144_20190925.zip
|
2 GB | |
|
Lava_Z91_MT6739_3GB_32_V1.0_S145_20191114.zip
|
2 GB | |
|
Lava_Z91_MT6739_3GB_32_V1.0_S146_20191223.zip
|
2 GB | |
|
Lava_Z91_MT6739_3G_32G_V1.0_S147_200310.zip
|
1.75 GB |
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