1. Download this ToolBox App apk file: https://resource.milesight.com/milesight/iot/software/milesight-toolbox.apk
If you already install Google Play to FT101 device, please download it from Google Play.
2. Connect computer to FT101 device via USB port and import the apk file to FT101 device.
3. Open the apk file and install ToolBox App to FT101 device.