Step 1: Firstly, Go to the Settings in your real device whose device are used to run android app.
Step 2: After that go to the “About phone” if Developer Options is not shown in your device
Step 3: Then Tap 7 times on Build number to create Developer Options.
Step 4: After that go back and Developer options will be created in your device.
Step 5: After that go to Developer options and Enable USB debugging in your device as shown in figure below.
Step 6: Connect your device with your system via data cable and after that allow USB debugging message shown on your device and press OK.
Step 7: After that Go to the menu bar and Run app as shown in figure below.
Step 8: If real device is connected to your system then it will show Online. Now click on your Mobile phone device and you App will be run in real device.
Step 9: After that your Android app run in Real device.
Regards, Guruji Softwares (https://gurujisoftwares.com)