Modifying smartphone partitions carries inherent risks. Protect your device by following these strict rules:
If your specific device model demands a signed handshake, upload the matching security file into the Authentication File row.
If an MT6765 phone is stuck in a bootloop or fails to turn on due to corrupted system software, the DA file allows technicians to override the broken OS and force-flash factory-fresh firmware.
| Error Code / Message | Potential Cause(s) | Troubleshooting Steps | | :--- | :--- | :--- | | STATUS_BROM_CMD_SEND_DA_FAIL (0xC0060003) | Incompatible or wrong DA/Auth file; Bad USB connection. | Verify your DA file with the SK Da Processor Tool. Try a different USB cable and port, ideally USB 2.0 on the back of your PC. | | ERROR: STATUS_PROTOCOL_ERR (-1073676283) | Communication error during the DA handshake. | Follow a comprehensive checklist: try a new cable, a new COM port, a different PC, and ensure the phone is fully powered off before connecting. | | ERROR : STATUS_DA_SELECTION_ERR | The DA file is not suitable for the hardware/software version of the phone (hw_code: 0x6765). | This strongly indicates you need a different, more specific DA for your exact model and firmware version. | | LIB DA not match | A mismatch between the DA library version and the scatter file or the phone's preloader. | This is a known issue. Ensure your scatter file is the correct one for your device (e.g., choose MT6765). You may need to use a newer version of SP Flash Tool or find a different DA file. | | Phone powers on normally when connected | The device is not entering BROM/Preloader mode. | You are likely using the wrong key combination or the timing is off. Immediately after clicking "Download" in your tool, connect the powered-off phone while holding the correct button(s). | | Failed to send auth: -5 | The DA Authentication file is missing or incorrect. | This is a Secure Boot error. You need both the DA and the correct Auth file ( auth_sv5.auth ). The DA may be fine, but the Auth is required to verify it. | Mt6765 Da File
. Without a functional, chip-specific DA file, servicing tools like the SP Flash Tool cannot communicate with the device's Boot ROM (BROM). This restriction prevents any attempts to unbrick, flash stock firmware, or manage core partitions.
If you are using a modern MT6765 device (manufactured after 2022), you may also need a or an MTK Auth Bypass Tool to disable the SLA/DAA security before the DA file can do its job.
The bypass tool will detect the device and output a message saying MTK Auth Bypass Success . Keep the USB cable connected. Step 3: Configure SP Flash Tool Launch as an administrator. Go to the Download tab. Modifying smartphone partitions carries inherent risks
This comprehensive guide explains what an MT6765 DA file is, why you need it, and how to use it safely to repair your device. What is an MT6765 DA File?
Hold down the and Volume Down buttons simultaneously, then connect the phone to the PC via USB.
Not all DA files are created equal. When searching for an MT6765 DA File , you will encounter three categories: | Error Code / Message | Potential Cause(s)
Below is a detailed breakdown of its features, functions, and technical specifications.
The progress bar at the bottom of the SP Flash Tool will turn red, then yellow, and finally show a green checkmark indicating success.