MediaTek MCT Bypass Tool is a small free program developed by MCT team that helps you to Bypass AUTH protection from MTK-powered Android phones. It supports MTK MT6735, MT6737, MT6739, MT6750, MT6765, MT6771, MT6785, MT8127, MT8163, MT8173-based Android phones.
On this page, you can download MediaTek MTK Auth Bypass Tool V4 and step-by-step instructions to bypass the USB protection for flash, unlock the FRP, pattern lock from your phone by SP Flash Tool.

More: MTK Universal Tool V5 Download
What is MCT Bypass Tool?
Nowadays, Android smartphones comes with USB protection to avoid third-party flashing and misuse of the phone. You won’t be able to flash or unlock your phone without any authorized tool or permission. So, in this scenario, the MCT MediaTek Bypass tool can be helpful for you.
MCT Bypass Tool helps you to bypass DAA & SLA Auth of any MediaTed based phones includes Oppo, Vivo, Tecno, Xiaomi Redmi, Infinix, and allows the phone to flash or unlock using SP flash or any other tool.
Features:
- Supported following Mediatek SOC’s for Auth Bypass:
- MT6735, MT6737, MT6739,
- MT6750, MT6765,
- MT6771, MT6785,
- MT8127, MT8163,
- MT8173, MT8695,
- MT6572, MT6768,
- MT6873, MT6261,
- MT6572, MT6735,
- MT6737, MT6739,
- MT6755, MT6757,
- MT6761, MT6763,
- MT6765, MT6768,
- MT6771, MT6785,
- MT6799, MT6873,
- MT8127, MT8163,
- MT8173, MT8695,
- MT6580, MT6582.
Disable the Antivirus Protection first, otherwise, you won’t be able to use the MediaTek Bypass Tool
More: Xiaomi Redmi 6 FRP File (Unlock Google) No Need Auth [MIUI 12] -2021
Download MCT MediaTek Bypass Tool Rev4 v4 latest Version
Download the MCT Bypass Tool V4 and install LibUSB/Filter MTK USB Driver on your computer. It is comes with an auto-installer package and supports windows 10, Windows 8, Windows 8.1, Windows 7, Windows XP (32 & 64bit) architecture.
File Name: MTK AUTH BYPASS Tool V4.zip
Size: 24MB
Type: .exe
Compatible OS: Windows 7, Windows 8, Windows 10 with 32&64bit
Developer: MCT Team
USB Driver: LibUSB/Filter USB Driver
How to use
1. Download & Unzip the MediaTek Bypass tool to your computer.

2. Open MTK Driver folder

3. Right Click on CDC-ACM and Tap install

4. Now extract MTKBypass.zip

5. Run MTKbypassv4.exe
6. Install LibUSB Win32 driver to your computer (Skip this if already completed)
7. Now Power Off your phone
8. Press Volume Up And Power and Insert a USB cable

9. Select Target SOC

10. Click Bypass
11. That’s it.
12. It will bypass the Auth Security from your phone.
13. Now you can use any unlock tool like SP Flash Tool, Miracle Box, UMT, CM2 to unlock your phone.
Read More: Download MTK FRP Tool | New MediaTek FRP Bypass Tool

