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Sometimes. In Chrome on Android, Google says the device screen lock—such as a PIN or passcode—is used if the device does not support biometrics. Google does not document a setting that always lets you choose PIN instead of fingerprint or face authentication when biometrics are supported. The answer can also differ when another password manager or app handles autofill.
When Chrome can use your phone PIN
Google Chrome Help says: “If your device doesn’t support biometrics, Chrome uses your default device screen lock like password or passcode instead.” That describes a fallback for devices without biometric support; it is not a general PIN-only override for devices that do support biometrics.
Chrome’s relevant setting is Verify it’s you when filling sensitive info. To find it, open Chrome and go to More → Settings → Passwords and Autofill → Autofill settings. The menu wording or location may change in a Chrome update.
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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesWith the setting on, Chrome adds an authentication check when filling sensitive information. If you turn it off, Chrome will not show the screen-lock or biometric authentication step for that autofill. That removes the extra check; it does not switch the check from biometrics to your PIN.
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Why another autofill flow may behave differently
Android’s Autofill framework, available from Android 8.0 (API 26), lets autofill services provide credentials to apps. A password manager or other provider can implement its own authentication behavior, so Chrome’s setting does not necessarily control autofill in another browser or app. Google documents support for third-party autofill services in Chrome, but that does not mean every provider has the same PIN options.
Android Developers uses DEVICE_CREDENTIAL for authentication with the screen-lock PIN, pattern, or password. The platform can allow an app to accept that credential, sometimes alongside a strong biometric. This developer capability does not guarantee that a particular password manager offers a consumer-facing PIN-only choice.
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Android’s Credential Manager is related to autofill but is not the only credential-filling path: enabled credential providers can surface credentials in its UI, while providers not registered with it may continue using the Autofill framework. A prompt’s behavior therefore depends on the app, provider, and route being used.
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Check these settings if Chrome asks for a fingerprint
- Confirm the setting: In Chrome, go to More → Settings → Passwords and Autofill → Autofill settings and look for Verify it’s you when filling sensitive info.
- Check whether Chrome documents a fallback for your situation: Google describes using the default screen lock when biometrics are not supported. If biometrics are available, its documentation does not promise a manual PIN-only selection.
- Identify the active provider: If the password is filled in another app or through a non-Google password manager, check that provider’s own authentication settings and documentation.
- Consider device security features: Android’s Identity Check can require biometrics for certain sensitive actions in specified contexts. Google’s help page lists Google Password Manager autofill in apps among those actions, while expressly excepting Chrome from that item. It is a context-specific device feature, not a universal Android autofill rule.
Which situation applies?
| Where you fill a password | What the documentation establishes | What to check |
|---|---|---|
| Chrome, on a device without biometric support | Chrome uses the default device screen lock, such as a password or passcode. | Chrome’s “Verify it’s you when filling sensitive info” setting. |
| Chrome, on a device with biometrics supported | A PIN-only override is not established by Google’s documentation. | The same Chrome setting; turning it off removes the extra authentication prompt rather than replacing it with a PIN. |
| Another app or browser using an autofill provider | Authentication behavior can depend on the provider and the autofill route. | The provider’s own authentication controls and any relevant device security feature. |
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