If you can tell me your (e.g., Redmi 9, Realme C25), I can give you the exact partition addresses or a direct link to the firmware you need.
[Revised] How to use SP Flash tool to flash Mediatek firmware
These files are usually found in mobile repair communities or on technical documentation sites:
Kael dragged the file into his flashing tool. The addresses lined up perfectly. Preloader: Custom TWRP injected. Read-write access granted.
While the exact text depends on your specific device (e.g., Xiaomi Redmi Note 9, Realme 6i, Samsung A31), you can find standard and patched versions on the following platforms: 🛠️ Where to Download