Modern MTK chips often require an "MTK Auth Bypass" utility to disable the Secure Boot protection before SP Flash Tool can communicate with the hardware.
For many MediaTek devices, a newer tool called MTKClient is more effective for actually unlocking or bypassing the bootloader by exploiting vulnerabilities in the chipset's boot sequence. How to Unlock Your Bootloader (General Process) sp flash tool unlock bootloader
: For many modern MediaTek devices with "Secure Boot," developers use specialized scripts (like MTK Client) to bypass protections before SP Flash Tool can even write to certain partitions. 3. Key Components for Flashing Modern MTK chips often require an "MTK Auth
If SP Flash Tool fails or seems too risky, try these: sp flash tool unlock bootloader