I can't run my Android Studio project on a real Android device


When I tried to run my Android Studio project on my Android phone using a USB cable, Android Studio shows this message:

Unable to create Debug Bridge: Unable to start adb server: Unable to detect adb version, exit value: 0xc000007b

asked on Stack Overflow Feb 19, 2021 by ask • edited Feb 20, 2021 by Adrian Mole

1 Answer


In order to use physical device, follow these steps :

  1. Open settings and go to About phone -> Go to Build number and tap it until a toast appears as you are in developer mode.
  2. Go to developer mode and enable USB Debugging.
  3. Connect your phone to pc via USB cable.
  4. Wait for your device to be appear next to run button in android studio.
  5. If it appears, simply run otherwise in your android device choose use USB to : Transfer file or ptp.
answered on Stack Overflow Feb 19, 2021 by Abhishek Raj

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