The chip's secure boot is blocking the flash because an authentication file (.auth) was not provided.
Because the MT6765 uses , it is fully compatible with SP Flash Tool. However, it also requires careful handling of scatter files , authentication (auth) files , and DA files —more on that later. sp flash tool 6765
The tool will detect the device, and a yellow progress bar will appear. Step 6: Completion The chip's secure boot is blocking the flash