For the MT6833 chipset, you should aim for a relatively recent version of the tool. A is recommended. Community support threads have shown that versions like v5.2404.00 and v6.2404.00 have successfully worked for MT6833 devices. When downloading, avoid "patched" or "bypass" versions that claim to disable security, as they are often unreliable.
The official, proprietary utility used to flash firmware onto MediaTek smartphones. mt6833 flash tool
[Revised] How to use SP Flash tool to flash Mediatek firmware For the MT6833 chipset, you should aim for
Due to the secure boot on Dimensity 700 chips, you may need a bypass utility (like the MCT MTK Auth Bypass Tool ) to disable the device's boot protection. MediaTek VCOM Drivers: For the MT6833 chipset