Bypassing the authentication for the (Helio G99) is more complex than older chips because it belongs to the "MTK V6" security architecture, which is patched against older exploits like kamakiri2 . To get it working "better," you need to use tools that support modern exploits like Carbonara or Heapbait . 1. Recommended Free Tool: MTKClient
During normal operation, the preloader initializes USB, waits for a 32-byte authentication token signed by the authorized OEM key, then enables flash access. Due to improper locking of the authentication state variable, sending a crafted WRITE_REG USB command (request type 0xC0, value 0x1337) at cycle 2.8–3.2 seconds after boot resets the authentication flag to true before the signature check completes. mt6789 auth bypass better
The phrase "mt6789 auth bypass better" represents an evolving arms race. The "better" method of 2025 (DA hijacking via mtkclient) will be patched by MediaTek in the Q3 security update. The truly better approach is not a single hack—it is a methodology: Bypassing the authentication for the (Helio G99) is
Execute your bypass tool. You are looking for the magic string: Protection disabled . The "better" method of 2025 (DA hijacking via
: Run the utility (e.g., python mtk payload-bypass ). Once you see "Protection disabled," you can safely use the SP Flash Tool in UART mode to flash your firmware. Benefits of Successful Bypass
Most "one-click" free tools that worked on older MTK chips (like the G80 or G85) will fail on the MT6789. Question: Is the security enabled mt6789 problem solved #86