Google has announced the official phase-out of the legacy Google Assistant on Android mobile devices, making Gemini the primary AI-powered assistant experience across the platform. Key Changes and TimelineStarting September 4, Google will begin removing access to Google Assistant on Android phones and tablets. Users will no longer be able to access or switch back to Google Assistant on their mobile devices. New Trigger Actions: Standard activation methods—such as saying “Hey Google” or long-pressing the power button—will automatically launch Gemini instead of Google Assistant. Cars with Google Built-in Exception: Vehicles with integrated Google software will continue to run Google Assistant beyond September 4, 2026.