Once finished, a large green checkmark window labeled will pop up.
Increasingly, MT6765 devices ship with Secure Boot enabled. Secure Boot prevents SP Flash Tool from writing unsigned images to protected partitions unless the tool is provided with a manufacturer‑signed .auth authentication file. This security measure is designed to prevent unauthorized firmware modifications. When you attempt to flash a Secure Boot‑enabled device without the proper .auth file, SP Flash Tool will halt with a security‑related error message.
Avoid this option. This completely wipes your phone's memory, deleting unique calibration files and your IMEI number, resulting in a total loss of cellular network connectivity. Step 6: Initiating the Flash
| Operation | Required Check | |-----------|----------------| | | Scatter + DA + auth file (if secure boot) | | Flash only recovery/boot | Uncheck preloader and nvram | | Fix bootloop (no auth needed) | Use “Download Only” mode, not “Firmware Upgrade” | | Bypass auth (old devices) | Use MTK Bypass tool + SPFT with USB 2.0 port | sp flash tool mt6765
Before attempting any flashing operation, gather the necessary software components and prepare your environment. Missing files will result in software errors or a hard-bribked device. 1. Hardware Checklist Preferably Windows 10 or 11.
SP Flash Tool is a Windows utility for flashing firmware on MediaTek-based devices. MT6765 (MediaTek Helio P35) is a common SoC found in many budget smartphones. This guide covers preparation, firmware types, drivers, backup, flashing procedures, common tasks (scatter loading, format + download, firmware upgrade, IMEI repair), troubleshooting, and safety best practices.
| Mode | Use Case | | :--- | :--- | | | Normal upgrade (preserves userdata if not formatted) | | Firmware Upgrade | Full partition overwrite (recommended for corrupted devices) | | Format All + Download | Clean flash (IMEI/calibration data may be lost – use with caution ) | Once finished, a large green checkmark window labeled
Download the firmware package for your MT6765 device. Make sure to download the correct firmware version for your device.
While newer versions generally support older chips, stability is key. For the MT6765 architecture, or newer (including v6.x series) is highly recommended. Version 5 remains favored by engineers for its reliable manual address formatting capabilities. 5. Official Stock Firmware (Scatter-based)
Choose Download Only for standard flashing or unbricking. This security measure is designed to prevent unauthorized
Connect your MT6765 device to your computer using a USB cable.
Extract the downloaded SP Flash Tool archive and launch flash_tool.exe as an administrator.
Hold Shift while clicking in the Windows Start Menu.