Do these steps(after unplugging the device).
1, Go to Sdk Manager and uninstall platform tools (Tools >SDK Manager>SDK Tools > Android SDK Platform Tools) 2. Restart Android Studio tools again
should solve your problem but if it doesn't
3 Go to the Devices troubleshooter and start the troubleshooter again 4. Complete all the steps.
Also since it's an HUWAEI device make sure you have hisuite installed both on your phone and your laptop
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