"mtk-su failed critical init step 3" typically occurs when the MediaTek rooting script lacks the necessary execution permissions or the device's security patches have blocked the exploit Best Fixes to Resolve the Error Re-issue Execution Permissions
: This script is known to be temperamental. Some users report success after re-running the command multiple times. Check Permissions mtksu failed critical init step 3 best
suggest that "step 3" specifically relates to permission denials during initialization. GitHub Issues : Similar "init step" failures in mtk-easy-su "mtk-su failed critical init step 3" typically occurs