Turn on the phone’s developer options

To develop and debug your app, enable the Developer options:

  1. Go to the phone Settings.
  2. Tap About device or About phone.
  3. Tap Software information.
  4. Tap Build number seven times.
  5. Depending on your device and operating system, you may not need to enter your pattern, a PIN, or a password to enable the Developer options menu.
  6. Go back to the phone’s Settings. The Developer options menu is now available.
    Depending on your device, it may appear under Settings > General > Developer options.