Download a firmware build with a security patch level dated late 2019 or early January/February 2020.
Users of Gionee devices with MT6739 and MT6763 chipsets have reported encountering "Failed Critical init Step 1" and step 3 errors when attempting to use mtk-su . Some have managed to achieve temporary root using alternative MTKsu guides, suggesting that a different version of the tool or a slightly different approach may work for these devices.
Ensure you are using the exact binary meant for your device architecture.
Here’s a helpful post for anyone encountering the error. You’re welcome to copy, adapt, or share it.
When you run mtk-su , it executes in sequential phases. If a phase fails, it halts the program and throws an explicit error message (e.g., Step 1, Step 3, Step 4). 1. Security Patches and Fixed Exploits
Magisk requires an unlocked bootloader but offers that survives system updates. Check if your device’s bootloader can be unlocked—some manufacturers like Xiaomi, OnePlus, and Google provide official unlock methods.
He dug deeper. He found the patch notes for the specific chipset revision. Buried in a changelog from a month ago was a security update: *"Update 1.05: Critical patch for Step 3 vulnerability
