Introduction
The MCT Bypass Tool REV 4 is a powerful and free utility developed by the MCT team designed to bypass authentication (AUTH) protection on MediaTek (MTK) chipset-powered Android smartphones. This tool proves essential for professionals and enthusiasts who want to flash firmware unlock FRP (Factory Reset Protection) or perform repairs on various MTK-based devices without requiring authorized tools.

What is the MCT Bypass Tool REV 4?
The MCT Bypass Tool is a specialized program that facilitates bypassing security measures like USB protection and AUTH locks on Android devices powered by MediaTek processors. Many modern smartphones incorporate these safeguards to prevent unauthorized access and flashing. However the MCT tool bypasses these restrictions allowing users to:
- Flash firmware using tools like SP Flash Tool.
- Remove FRP locks and pattern/password protections.
- Repair and debug devices.
It supports a wide range of MediaTek SOCs including MT6735 MT6765 MT6785 and many others making it a versatile solution for various devices including Oppo Vivo Xiaomi Tecno Infinix and more.
Features
The MCT Bypass Tool REV 4 boasts several features that make it a go-to solution for MediaTek devices:
- Bypass AUTH Protection: Seamlessly bypass USB AUTH security for flashing and repairing devices.
- Wide Device Compatibility: Supports a broad range of MediaTek processors.
- FRP Unlocking: Remove Google account verification post-factory reset.
- Pattern/Password Lock Removal: Unlock devices without authorized permissions.
- Integration with Other Tools: Works alongside SP Flash Tool Miracle Box UMT MRT and more.
- User-Friendly Interface: Simple intuitive design for both professionals and beginners.
- Auto Installer: Easy installation process with no manual configuration required.
- Windows Compatibility: Supports Windows XP 7 8 8.1 and 10 (32-bit and 64-bit).

How to Use MCT Bypass Tool REV 4
Step 1: Download and Install the Tool
- Download the latest version of the MCT Bypass Tool REV 4 from a trusted source.
- Extract the downloaded ZIP file to your computer.
Step 2: Launch the Tool
- Run the executable file as an administrator.
- The tool’s interface will open displaying available functions.
Step 3: Connect Your Device
- Put your MediaTek-powered device into BROM (BootROM) mode.
- Typically this is done by powering off the device and pressing a specific button combination (e.g. Volume Down + Power).
- Connect the device to your PC using a USB cable.
Step 4: Select the Desired Operation
- Choose the function you need (e.g. bypass AUTH unlock FRP).
- Follow on-screen instructions to complete the process.
How to Install MCT Bypass Tool REV 4
- Download the Tool: Obtain the installer package for MCT Bypass Tool REV 4.
- Extract the Files: Unzip the package using software like WinRAR or 7-Zip.
- Disable Antivirus: Temporarily turn off antivirus software to avoid false detection.
- Run the Installer: Execute the setup file and follow the installation wizard.
- Install Drivers: Ensure MediaTek USB drivers are installed for seamless device communication.
- Launch the Tool: Once installed open the tool and begin using its features.
Conclusion
The MCT Bypass Tool REV 4 is an invaluable resource for technicians and advanced users dealing with MediaTek-powered Android devices. Its ability to bypass AUTH protection unlock FRP and perform repairs makes it a must-have tool in the mobile servicing industry. While it provides robust solutions it’s essential to use this tool responsibly as bypassing security measures could compromise device integrity and violate legal terms. Always ensure you have proper authorization before using the tool.