> For the complete documentation index, see [llms.txt](https://help.cerby.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.cerby.com/cerby-mobile-app/app-customization/use-the-notification-center/respond-to-a-trusted-device-request.md).

# Respond to a trusted device request

{% hint style="info" %}
**Who can use this feature?**

* Workspace **Owners**, **Super Admins**, **Admins**, **Users**, **Login-Only**, and **Guest Users**
* Only supported using the Cerby mobile app
  {% endhint %}

When a new device attempts to join your workspace and your workspace requires existing-device approval, Cerby sends a trusted device request to your Notification Center. You must approve or deny the request within five minutes, or it expires.

To respond to a trusted device request, complete the following steps:

1. Open the Cerby mobile app on your mobile phone.
2. Log in to your [Cerby](https://app.cerby.com/) workspace.
3. Tap the bell icon in the upper-right corner of the screen. The **Notification Center** is displayed.
4. Locate the trusted device request.
5. Tap the notification to expand it. The device name, platform, request time, and time remaining to respond are displayed.
6. Tap **Approve** if you recognize the device, or **Deny** if you do not. The device is added to or rejected from your trusted device list, and the notification is marked as handled.

{% hint style="info" %}
**NOTE:** If the action buttons are no longer active, the request has expired. To restart the device enrollment, initiate the login from the new device again.
{% endhint %}

## Related articles

* [Open the Notification Center](/cerby-mobile-app/app-customization/use-the-notification-center/open-the-notification-center.md)
* [Respond to an identity confirmation request](/cerby-mobile-app/app-customization/use-the-notification-center/respond-to-an-identity-confirmation-request.md)
* [Remove a trusted device](/cerby-mobile-app/app-customization/remove-a-trusted-device.md)


---

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