Mtk-bypass-rev4.exe Verified Jun 2026

: Unlike professional service boxes (like Chimera or MRT), this is a free, software-only solution. How the Process Works

mtk_bypass_rev4.exe is an executable utility designed to circumvent the authentication protocols on MediaTek-powered Android devices. It addresses a common frustration: when using official flashing tools like , many devices from manufacturers like Xiaomi and Realme require an authorized account or a specific authentication file (an auth file) to flash firmware. Without this, operations fail with errors like "Server is not authenticated. Locked.".

: More powerful, supports advanced features like unlocking bootloader without data loss on new Android versions. Troubleshooting and Safety Warnings

Users may revive older MTK-powered devices (e.g., budget smartphones) by installing open-source operating systems like LineageOS.

If the tool fails to detect the phone, uninstall all USB drivers and reinstall LibUSB-win32 using the install-filter-win.exe file, ensuring the VCOM driver is selected. Mtk-bypass-rev4.exe

Disables the need for authorized service account logins (DA/Auth files).

MT6768 (Helio G80), MT6771 (Helio P60), MT6779 (Helio P90), MT6785 (Helio G90T)

: It disables the built-in security that prevents unauthorized software from flashing or modifying the device. UART Connection Enablement

: Power off the phone completely. Hold the Volume Up + Volume Down buttons (the "boot keys") and connect it to the PC via USB. : Unlike professional service boxes (like Chimera or

Permitting writing to restricted partitions. Supported MediaTek Chipsets and Devices

The process generally requires a specific sequence to establish a stable connection:

Unlocking Secure Boot: A Guide to MCT MediaTek Bypass Tool (Rev4)

Do not run “Mtk-bypass-rev4.exe” unless you fully trust the source and understand the technical, legal, and security risks. Without this, operations fail with errors like "Server

Fixes common connection errors where the MTK port appears briefly in Device Manager and then disappears. How to Use Mtk-bypass-rev4.exe

While mtk-bypass-rev4.exe may seem like a convenient solution, it's essential to weigh the risks and consider alternative, safer options. If you still choose to use this tool, be aware of the potential consequences and ensure you understand the process and risks involved.

While powerful, using tools like carries inherent risks:

: Packaged specifically to work alongside advanced USB filtering backends like UsbDk or LibUSB-Win32 .