Navigate the interface and select your specific device brand or choose the tab.

Turn off any real-time antivirus software temporarily, as these utilities modify system-level ports and are often flagged as false positives. Run MTK_GSM_SULTENG_V1.3.8.exe as an Administrator. Step 3: Execute a Function (e.g., Erasing FRP)

The Download Agent (DA) is the bridge between the PC and the phone's eMMC storage. Version 1.3.8 includes an updated auth bypass for newer security patches on MediaTek devices from 2020–2022.

: Always back up your data before performing any flashing or unlocking operations, as these processes typically wipe the device's internal storage.

Click the Execute button. The software status terminal will shift to a state reading “Waiting for device connection...”

A factory reset or format operation . Photos, documents, application data, and account information will be lost without proper backup. The Chinese documentation strongly emphasizes: "在使用MTK解锁工具之前，务必对手机进行完整数据备份" (Before using MTK unlocking tools, be sure to perform a complete data backup).

: Specifically tailored to bypass Mi Cloud locks on Xiaomi devices.

Extract the MTK_GSM_SULTENG_V1.3.8.zip file to a folder (e.g., C:\MTK_GSM ). Run MTK_GSM_SULTENG.exe as Administrator.