Google now auto-links phone numbers to all signed-in accounts on Android devices without user consent; opt-out toggle added in settings but previously linked numbers require manual removal from each account.

PSA: Google is silently linking your phone number across all signed-in accounts

Brady Snyder / Android AuthorityAdd Android Authority on Google: TL;DR Google now automatically verifies and attaches your phone number to every Google account signed in on your Android device without explicit prompts. Google updated its documentation between August and October 2025 to reflect this opt-out behavior, which links numbers across secondary, work, and alt profiles. Users can turn off “Verify phone numbers automatically” in their Android device’s Google settings page, but previously l...