This guide describes how to install and test a new app distributed through App Distribution from a tester's point of view. For answers to frequently asked questions or help with troubleshooting, read the Troubleshooting guide.
Step 1. Sign in with Google to accept the invitation
On an Android device, open the invitation in your email.
When prompted, sign in with Google and accept the invitation to test the app.
Once you accept an invitation, you're given access to install the test app. You also receive build notification emails from Firebase when the app's developer distributes a new build and includes you as a tester.
Step 2. (Optional, recommended) Download Firebase App Tester
If you haven't already, download the Firebase App Tester app, which lets you install and access all your test apps in one place. You can download Firebase App Tester from the in-browser prompt that appears after you accept the invite.
If this is your first time installing Firebase App Tester, you'll need to sign into the app with the same Google account you used to accept the invitation.
How can I install unknown apps?
The Android alert appears if your running app or browser hasn't yet been given permission to install apps outside of Google Play. To grant permission:
Android version 8 or later: In the Settings app, tap Allow from this source.
Android version 7 or earlier: In the Settings app, tap Security and select Unknown sources. When the prompt appears, tap OK > Trust.
Step 3. Download the build in Firebase App Tester
In Firebase App Tester, select the app you want to install and tap Download. Apps you install through Firebase App Tester are automatically added to your device's home screen.