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403 disallowed_useragent

Hello Median Support,


Google Sign-In is failing in my Android app because OAuth is opening inside the embedded WebView.


Error:
403 disallowed_useragent


App package:
co.median.android.pwedaeo


Please enable:


  • Chrome Custom Tabs / external browser OAuth flow
    • Native-compatible Google authentication
      • Return-to-app OAuth redirect handling

Google blocks embedded WebView authentication, so OAuth must open in an external secure browser.


Thank you.