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Firmware files are here on Inar Guide. Tutorials, flash tools and USB drivers are on FlashGuideHub.
The Leagoo M12 was a budget smartphone from 2019 that featured a modern 5.71-inch waterdrop notch display and ran on Android 9.0 Pie. It was powered by a MediaTek MT6739 quad-core processor, along with 2GB of RAM and 16GB of internal storage. While it offered a contemporary design for its price, some users reported frustrating software issues, most notably unstable Wi-Fi that would randomly disconnect. For users experiencing this or other problems like system lag, reinstalling the official stock firmware is the most reliable solution.
Note: The firmware filename contains “OS5.0,” which is an internal manufacturer version number. The actual operating system is Android 9.0 Pie.
Leagoo M12 Firmware Details
Below are the key specifications for the Leagoo M12. This firmware will restore the device to its original Android 9.0 Pie software.
| Attribute | Details |
|---|---|
| 📱 Device | Leagoo M12 |
| 🆔 Chipset | MediaTek MT6739 |
| 🤖 Android OS | 9.0 Pie |
| ✅ Software Version | OS5.0 |
| 🗓️ Release Date | Aug 13, 2019 |
| 📂 File Type | Scatter Firmware |
| 💻 Flashing Tool | SP Flash Tool |
Why Flash the Stock Firmware on Your Leagoo M12?
Flashing the official stock ROM can resolve many of the specific and frustrating issues reported for the Leagoo M12:
- Fix Unstable Wi-Fi: This is a key reason to flash. A clean install can resolve a widely reported software bug that causes the device’s Wi-Fi to randomly disconnect.
- Improve System Performance: Restores the device to its factory state, removing accumulated junk files and fixing the system-wide lag and stuttering that develops over time.
- Remove Bloatware: Leagoo devices were often criticized for having a poor software experience with pre-installed bloatware. A clean flash provides a fresh start.
- Stop App Crashes: Solves persistent “force close” errors caused by software conflicts or memory management issues.
- Fix Bootloop Errors: The only reliable method to fix a phone that is stuck on the Leagoo startup logo.
- Unbrick Your Device: Can revive a phone that has become completely unresponsive due to a software error.
⚠️ Important Prerequisites
Before you begin, back up any accessible data. This process will completely erase all data from the phone’s internal storage.
- The latest version of the SP Flash Tool.
- The correct MediaTek VCOM USB drivers installed on your PC.
Download Official Firmware for Leagoo M12
- Build Date: 20190813
- File Name: Leagoo_M12_MT6739_OS5.0_E_20190813.zip
- Size: 1.24 GB
- 🔗 Download Link: Download (Google Drive)
How to Flash the Firmware
This firmware must be installed using the SP Flash Tool. The process involves loading a scatter file from the downloaded firmware. Here is a summary of the steps:
- Download and extract the
Leagoo_M12_..._20190813.zipfile to a new folder on your computer. - Ensure the MediaTek VCOM USB drivers are properly installed on your PC.
- Launch the SP Flash Tool software.
- Click the “Scatter-loading” button and select the
MT6739_Android_scatter.txtfile from the extracted firmware folder. - Completely power off your Leagoo M12.
- In SP Flash Tool, confirm the mode is set to “Download Only,” then click the green “Download” button.
- Connect your powered-off phone to the computer via USB cable to begin the flashing process.
For a complete, step-by-step tutorial with screenshots and troubleshooting, please follow our master guide:
→ How to Flash Stock Firmware to MediaTek (MTK) Smartphones
Disclaimer: Flashing firmware is an advanced procedure that carries inherent risks. If instructions are not followed precisely, you could permanently damage your device. We are not responsible for any data loss or hardware issues. Proceed with caution.