Install [extra Quality]: 6765 Scatter File
Check the top bar. It should display something like "MT6765" or "Helio P35". If it says "MT6762" or "Unknown", you have the wrong file.
If you want, I can: provide a step-by-step guide tailored to a specific device model, check common firmware sources for your model (I can suggest search terms), or walk through interpreting a scatter file's partition layout. 6765 scatter file install
Download the latest stable version of SP Flash Tool for Windows or Linux. Check the top bar