Mtk-su Failed Critical Init Step 3 Access

: Newer devices (like the Fire HD 8 10th Gen) may have hardware-level protections or kernel versions that are inherently immune to the specific exploit mtk-su uses. Potential Fixes and Workarounds

Run:

If your bootloader is unlocked, flash an older stock ROM with a security patch from . After downgrading, mtk-su will likely work perfectly. Warning: This exposes your device to known vulnerabilities; use only for testing or on a secondary device. mtk-su failed critical init step 3