Download MTK Auth Bypass Tool V37 (2026) – Fix MTK USB Port Errors & Bypass Security

MTK Auth Bypass Tool V37 (Latest 2026)

Fix SLA/DAA Authentication & Bypass MediaTek Secure Boot for Free

Fig 1: Main interface of MTK Auth Bypass Tool.

If you are a mobile technician or a DIY enthusiast trying to flash a MediaTek (MTK) powered smartphone, you have likely encountered the dreaded "SLA/DAA Authentication" error. In recent years, brands like Oppo, Vivo, Xiaomi, and Realme have added an extra layer of security. If you find your phone is also stuck on the Google login screen, you can use our Samsung FRP Bypass method to fix it after bypassing the authentication.

The solution to this problem is the MTK Auth Bypass Tool. In 2026, this tool remains a favorite because it is completely free and performs tasks that usually require expensive hardware like Unlock Tool or UMT.

What is MTK Auth Bypass Tool?

Modern MediaTek devices require an "Authorized Account" to allow flashing. Without this, you cannot perform pattern lock removal or dead boot repair. This tool exploits a vulnerability in the MediaTek USB chipset to "Bypass" the security check. Before you begin, ensure you have the All-in-One USB Drivers installed to avoid connection drops.

🔓 Bypass SLA/DAA
Skip secure boot on all MTK CPUs.

🛠️ Fix Bootloop
Flash stock firmware on dead devices.

⚡ BROM Mode
Forced entry into stable Brom mode.

Key Features:

• Bypass SLA/DAA: Skip the secure boot authentication instantly.
• Wide Compatibility: Works from MT6735 up to the latest Dimensity series.
• Portable: No complex installation required.

Fig 2: Selecting the MediaTek USB Port in LibUSB Filter Wizard.

Step-by-Step Guide to Use MTK Auth Bypass:

1. Install Drivers: First, install LibUSB Win32 Filter. This is mandatory. If you are on a Samsung device, also update your Latest Samsung Drivers.
2. Launch the Tool: Run MTK_Auth_Bypass.exe as an administrator.
3. Initiate Bypass: Click the "Disable Auth" button.
4. Connect Device: Power off your phone. Hold Volume Up + Down and connect USB.
5. Check Status: Once you see "Bypass Success," you can start flashing with SP Flash Tool. For Snapdragon phones, you should check our Qualcomm 9008 Driver guide.

Fig 3: Connection established and Auth disabled successfully.

Technician Tip: If you are working on Xiaomi devices specifically, you can use the Mi Account Unlock Tool along with this bypass for better results.

Conclusion:

The MTK Auth Bypass Tool is a revolutionary utility for the mobile repairing community. It bridges the gap between free software and premium tools. Always use a high-quality data cable to avoid interruptions.

📥 Download MTK Auth Bypass Tool (Free)