Mtk Gsm Sulteng Tool V139 Install May 2026

Feature Release: MTK GSM Sulteng Tool v139 Installation & Update Overview

Step 3: Install MTK USB VCOM Drivers (If Not Already Installed)

"DA Error"

If you see an error like or "USB Not Found," reinstall the VCOM drivers and check your USB cable.

Attempts to remove locks without deleting user data (available for specific older models). Bootloader Unlock: One-click permanent or temporary bootloader unlocking. How to Install mtk gsm sulteng tool v139 install