DroidCam via USB

Use your mobile phone's camera/microphone in your computer via USB-Tethering or Wi-Fi

Enable Developer Mode and USB debugging

Config -> Sobre o telefone -> Software infos -> click 7x times over "número de montagem" (NMF26X in mine)
Config -> Developer options -> Activate "Depuração USB/USB debugging"

Install your Mobile Brand Driver

What is your brand?
You gotta install the right driver; then your computer can 'see' your phone :) dev47apps.com/droidcam/connect/

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