: Still the industry standard for systemless root. It requires an unlocked bootloader but is much more stable than temporary exploits.
: Another process or security layer (like Samsung Knox or aggressive SElinux policies) is blocking the memory injection.
If using a terminal, re-issue the command chmod 755 mtk-su followed by ./mtk-su . mtksu failed critical init step 3 hot
Google Play Protect often identifies rooting exploits as "harmful" and can interfere with their execution in the background. Open the . Tap your profile icon > Play Protect > Settings . Turn off Scan apps with Play Protect . 3. Check for 64-bit Compatibility
: Your device has a security patch (often from March 2020 or later) that has "closed the door" on this specific vulnerability. : Still the industry standard for systemless root
The mtk-su tool works by executing several "initialization" steps to exploit a memory vulnerability. is typically the stage where the tool attempts to gain a stable foothold in the kernel's memory space to escalate permissions.
If you are attempting to root a MediaTek-based Android device and encountered the error you are likely dealing with a compatibility wall between the exploit and your current firmware security. If using a terminal, re-issue the command chmod
This specific error occurs within tools like or the original mtk-su binary—exploits designed to grant "bootless" root access by leveraging a vulnerability in MediaTek’s kernel. What "Failed Critical Init Step 3" Means
: A newer method that works at the kernel level, making it harder for apps to detect that the device is rooted. Should you root your Android device? Pros and cons - McAfee
Surprisingly, this exploit is not 100% consistent. Some users have reported success simply by running the command multiple times.