Some manufacturers (like Oppo, Vivo, or newer Samsung models) implemented additional kernel protections that prevent the tool from finding the required memory offsets. Troubleshooting & Fixes If you encounter this error, try these steps in order: 1. Toggle "64-bit Mode"
: Your device likely has a security update that has closed the exploit hole. Check your security patch level in Settings > About Phone . mtksu failed critical init step 3 hot
: Still the industry standard for systemless root. It requires an unlocked bootloader but is much more stable than temporary exploits. Some manufacturers (like Oppo, Vivo, or newer Samsung
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 Check your security patch level in Settings > About Phone
To resolve the "mtksu failed critical init step 3 hot" error, follow these troubleshooting steps: