emulator-5554 unauthorized for adb devices

In my case, Create a Virtual Device with Google APIs Image, not Google Play Image worked for me.

The problem occurs the only emulator that runs on Android Pie others don’t.

In Android Studio

  1. Open an Android Virtual Device Manager.
  2. Create a new Virtual Device.
  3. Select any Hardware you want.
  4. Select any System Image which the Target is “(Google APIs)” not “(Google Play)” (If you don’t found. Try to look at “x86 Images” tab or “Other Images” tab)
  5. Done!

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