To successfully flash the MT6731, you will need the following tools:
If your device shows "Invalid IMEI" or "Baseband Unknown," the NVRAM partition is damaged. Flashing the nvram.bin or nvdata partition from the original MT6731 flash file restores your network functionality. mt6731 flash file
Even with the correct MT6731 flash file, errors occur. Here is your debugging table: To successfully flash the MT6731, you will need
| Error Code | Message | Solution | | :--- | :--- | :--- | | 4032 | ERROR: STATUS_DA_HASH_MISMATCH | Wrong scatter file or incompatible firmware. Redownload correct MT6731 version. | | 4008 | ERROR: STATUS_BROM_CMD_FAIL | Driver issue. Reinstall MTK VCOM drivers and restart PC. | | 2005 | ERROR: S_BROM_DOWNLOAD_DA_FAIL | Check USB cable. Use USB 2.0 port (not 3.0). | | 6012 | ERROR: S_DL_GET_DRAM_SETTING_FAIL | Preloader mismatch. Short the test points on the motherboard (advanced). | | 5054 | ERROR: S_UNSUPPORTED_OPERATION | You selected "Format All". Never do this. Re-flash with "Download Only". | If your device shows "Invalid IMEI" or "Baseband
Please proceed at your own risk. Flashing firmware carries the potential to brick your device if done incorrectly. Ensure the firmware version matches your specific device model number. I am not responsible for any damage incurred to your device.
This process will erase all data on your phone. Back up personal files before proceeding.