If your device requires secure booting, click next to Authentication File and select the auth_sv5.auth file located either in your firmware folder or your SP Flash Tool directory. Step 5: Select the Flashing Mode In the drop-down menu, you will see three options:
Wipes the entire flash memory, including the NVRAM partition. Warning: This will erase your IMEI and network calibration data. Only use this as a final resort for completely dead devices. Step 6: Begin the Flash Process
If the Preloader is corrupted, the device will not respond to button combinations. The MT6739 BROM allows for USB rescue by shorting the "Test Point" (KCOLO) on the motherboard, forcing the SoC into a mode ready to accept a valid Preloader via SP Flash Tool.
Flashing new firmware is usually a "last resort" fix or a way to refresh a device. Common reasons include: mt6739 firmware
Always check your Build Number in Settings > About Phone before flashing. Matching this number ensures the highest compatibility. Do you have a specific phone model you're trying to fix, or
Because the MT6739 is a MediaTek chip, it relies on the for firmware installation. Follow these steps carefully. Step 1: Install the MTK USB Drivers Download the MediaTek USB VCOM drivers to your PC.
Whether you’re a repair shop technician, an enthusiast, or simply a budget phone owner tired of laggy updates, mastering SP Flash Tool and MediaTek firmware protocols puts you in full control of your hardware. If your device requires secure booting, click next
The MediaTek MT6739 represents an important chapter in the evolution of affordable smartphones, bringing modern features like 18:9 HD+ displays and dual 4G VoLTE to millions of users. While it has been succeeded by more powerful chips, a vast ecosystem of devices running on this platform remains in use today.
If your phone shows (no LED, no vibration, black screen only), the preloader is corrupted. Recovery requires SP Flash Tool + Auth Bypass :
Tip for Windows 10/11 users: You must temporarily disable in Windows before installing these older MediaTek drivers, or the PC will fail to recognize your phone. 3. Software and Files Only use this as a final resort for completely dead devices
This usually indicates a driver issue or a bad USB cable. Try a different port or reinstall the VCOM drivers.
Navigate to the extracted SP Flash Tool folder. Right-click on flash_tool.exe and select . Step 3: Load the Scatter File Once the tool opens, locate the Download tab.
This is arguably the most important file for MediaTek flashing tools. The scatter.txt file acts as a map. It tells the flashing tool (like SP Flash Tool) where to place each partition image on the phone’s internal storage. Without the correct scatter file for your specific device model, flashing is impossible.
This comprehensive guide covers everything you need to know about finding, preparing, and flashing MT6739 stock ROMs safely. What is MT6739 Firmware?