Huawei JMM-L22 Official Stock ROM Flash File – Full Firmware Guide
Looking to restore your Huawei JMM-L22 back to factory condition? Whether you're experiencing boot loop, fastboot issues, or system errors, this guide will walk you through flashing the official stock firmware using the correct tools and methods.
📦 Firmware Package Includes:
- Huawei JMM-L22 Scatter Format Firmware
- Boot.img and vbmeta.img
- Secure DA/Auth File (For Secure Boot)
- Compatible with SP Flash Tool
⚠️ Important Notice Before Flashing
Tip: Always verify the build version of your JMM-L22 before proceeding. Ensure the battery is charged above 50% and take a full data backup to avoid loss during installation.
🛠️ Tools & Drivers You Will Need:
- SP Flash Tool (Latest Version)
- MTK USB Drivers
- DA/Auth File for JMM-L22 Secure Boot
📲 Step-by-Step: How to Install Firmware on Huawei JMM-L22
- Extract the downloaded firmware using WinRAR or 7-Zip.
- Launch the SP Flash Tool and load the
MT6750_Android_scatter.txtfile from the extracted folder. - Under "Options," load the appropriate DA & Auth files if your device has secure boot.
- Click on the "Download" button.
- Turn off your phone or reinsert the battery (if removable).
- Connect the device to the PC via USB. The flashing process will begin automatically.
- Wait for a green tick to appear – this indicates the firmware has been successfully installed.
💾 Huawei JMM-L22 Firmware & Flash Tool Downloads
| JMM-L22HNC10B133 – EMUI 7.0.0 Firmware |
| JMM-L22HNC432B136 – Flash Tool Format |
| JMM-L22 MT6750 Scatter Firmware Password: ministryofsolutions.com JMM |
| Secure DA & Auth Files |
| SP Flash Tool Download |
| MTK USB Drivers |
💡 Helpful Tips
Advice: Flashing is safe when done correctly. If you face issues like no display, boot stuck, or error messages, double-check your firmware version. Don't interrupt the USB connection during the flashing process.
Flashing stock ROM is the best way to fix system software errors, restore your phone to original condition, and improve performance. Always follow trusted instructions and use official files.
— Team Firmware4Mobile