Right-click the Start menu and select Device Manager .

Depending on your specific task, you may need one or more of the following:

(or S100 Pro) is essential for transferring data, flashing firmware, or performing system updates via your computer . These devices are powered by the MediaTek Helio G99 (MT6789)

DOOGEE S100 USB drivers are essential software components that allow your smartphone to communicate with a Windows computer. These drivers enable critical functions such as data transfer, firmware flashing, and using the Android Debug Bridge (ADB). The Technical Importance of Drivers

Browse to your extracted driver folder, select the driver file, choose , and click Next to finish the installation. Troubleshooting Connection Errors

Click on the Windows Security warning prompt to confirm the installation.

The Doogee S100 utilizes a ruggedized, deeper USB-C port. Standard USB-C cables may not sit deeply enough in the port to establish a data connection, even if they successfully charge the device. Always use the original thicker brick cable that came in the box. Furthermore, MediaTek flashing tools are notoriously unstable when plugged into blue USB 3.0 ports. Plug your cable into a black on the back of your motherboard for the most stable connection. Fix 4: Fix the MediaTek USB VCOM Disconnect Loop

The Doogee S100 is powered by a MediaTek Helio G99 chipset. Therefore, the "Doogee S100 driver" is, in reality, a MediaTek driver. Understanding this distinction is the first step in fixing the problem. Users searching endlessly for a model-specific file are looking in the wrong place; the solution lies in the processor, not the phone model.

If you need a specific driver or are having trouble with a specific software, I can also help you: Locate specific SP Flash Tool versions for the S100. Guide you through unlocking the bootloader. Provide links for the official firmware download. What specific error are you seeing in Device Manager?