Here is how to Fix no Matching Client Found for Package Name on Android

This simple tutorial may help you to fix the following android studio error

The most common causes for this error to occur is because you have changed your existing app project package name id, changed package id that already had admob integration, or played around with google-services.json file, so the app id is not matching in the google-services.json file.

How to fix no matching client found error

In android studio, select Project Files window and then select app folder. then navigate to google-services.json

Open google-services.json file

Change the package name in this file, see the line marked in Red, type there your app package name id, example; com.myapp.android.

Sync or refresh your project after doing this, your error should be fixed now.

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