For most users, follow this sequence:
If you have followed these steps and still receive the "failed critical init step 3 hot" error, your device's firmware likely contains the . In this case, mtk-su will not work, and you may need to look into traditional rooting methods like unlocking the bootloader and flashing a patched boot image via Magisk Manager .
Step 3 failing specifically in "hot" mode is not a random bug. It is a combination of timing, security, and protocol issues. Here are the primary causes:
"Step 3" specifically refers to a failure in the initial setup of the exploit's "critical" path, often because the kernel protections have been reinforced.