For most users, will resolve the issue instantly. For those with unlocked bootloaders, Solution #2 (KernelSU) is the superior long-term root method. Only use Solution #3 if your bootloader is locked and the first two methods fail.
Stop banging your head against the terminal. Apply one of these three best fixes, and you will have full root access on your MediaTek device within ten minutes. Have a different error code? Check the official MTKSU-NEXT issue tracker or leave a comment below with your device model (e.g., Redmi Note 11, Realme 8i) and kernel version. mtksu failed critical init step 3 best
Uninstall your current MTKSU manager and flash MTKSU-NEXT (Maintained by R0rt1z2 ). For most users, will resolve the issue instantly
KernelSU does not use a memory exploit (Step 1-3). It uses a legitimate kernel module (GKI). Therefore, "Init Step 3" never executes. Stop banging your head against the terminal
This error is specific to devices attempting to gain root access via MTK-SU (a specialized root method for locked MTK bootloaders). Step 3 of the initialization process is where the exploit attempts to gain proper memory privileges. When it fails, your device either rejects the root request or soft-bricks the SU daemon.