Android Device Set up for (Visual Studio 2019) Development
After testing on an Android emulator, you will want to see and test your apps running on an Android device. You will need to enable debugging and connect the device to the computer.
Enable Debugging on the Device
A device must be enabled for debugging in order to test an Android application. Developer options on Android have been hidden by default since version 4.2, and enabling them can vary based on the Android version.

Android 9.0+
For Android 9.0 and higher, debugging is enabled by following these steps:

Go to the Settings screen.
Select About Phone .
Tap Build Number 7 times until You are now a developer! is visible.
Android 8.0 and Android 8.1
Go to the Settings screen.
Select System.
Select About Phone
Tap Build Number 7 times until You are now a developer! is visible.
Android 7.1 and lower
Go to the Settings screen.
Select About Phone.
Tap Build Number 7 times until You are now a developer! is visible.

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