PROBLEM:

Google Play Store does not open and device returns to the Home screen

SOLUTION:

Ensure you're signed in correctly to your Google account on all devices. Contact Google if needed.

If prompted with "Google Account action required," tap the notification and re-enter your password.

If not prompted, follow these steps:

Go to Settings > Biometrics and security > Other security settings > Device admin apps.

Turn off Find My Device.

Navigate back to Settings > Apps > Search for "Google Play services."

Tap More options (three dots) > Uninstall updates > OK.

Go to Settings > Accounts and backup > Manage accounts > Select your Google account > Remove account (confirm).

Restart your device.

After restart, log back into your Google account.