---
title: "Manage a Duo Device"
canonical: "https://tech.calpoly.edu/space/CPKB/3637371/Manage%20a%20Duo%20Device"
format: markdown
---
You can add a device, change the name, or delete an authentication device for use with Duo Mobile. 

> ⚠️ <span style="color: #bf2600">**IMPORTANT:**</span>** **
> ⚠️ 
> ⚠️ - <span style="color: #bf2600">**DO NOT CHOOSE FACE/TOUCH ID when you first enroll a device.**</span>
> ⚠️ - <span style="color: #006644">**Choose**</span><span style="color: #006644"> </span><span style="color: #006644">**Duo Mobile (Push)**</span> as the primary form of authentication.
> ⚠️ 
> ⚠️ **What if I already chose Face/Touch ID initially?**  
> ⚠️ If you’ve already set up Face/Touch ID as your first form of authentication, here’s how you can change that: 
> ⚠️ 
> ⚠️ - Log in to **My Cal Poly Portal **using the device that you set up with Face/Touch ID.
> ⚠️ - Click the **Personal Info** tab.
> ⚠️ - Under the **Authorized Devices** tab, click **Multi-factor Authentication**.
> ⚠️ - Click **Edit** to add a new device**. **See the following Knowledge Base article for more details – [Add a New Mobile Phone to My Duo Account](https://calpoly.atlassian.net/wiki/spaces/CPKB/pages/3571853).

### How Do I Add a Duo Device?

<details>
<summary>Click to view how to add your mobile device...</summary>

1. Log in to the [My Cal Poly Portal](https://myportal.calpoly.edu/).
2. Click the **Personal Info tab**. Under Personal Info, select** Authorized Devices**. Open the **Multi-factor Authentication** dropdown. Click** Edit**.
  
3. **Select an authentication method** and complete the verification on your currently enrolled device.
  
4. Once authenticated, you will see a page that lists your devices in square cells. Click **Add a device**.
  
5. **Select an option **to authenticate** **on your new device. <u>[Learn more about the options…](https://guide.duo.com/universal-prompt#duo-universal-prompt-login-options)</u>
  
  
6. **Complete the new device enrollment** by inputting your information in the corresponding prompts.
</details>

### How Do I Rename My Duo Device?

<details>
<summary>Click to view how to rename your device...</summary>

1. Log in to the [My Cal Poly Portal](https://myportal.calpoly.edu/).
2. Click the **Personal Info tab**. Under Personal Info, select** Authorized Devices**. Open the **Multi-factor Authentication** dropdown. Click** Edit**.
  
  
3. **Select an authentication method** and complete the verification on your currently enrolled device.
  
4. Once authenticated, you will see a page that lists your devices in square cells. Click **Edit, **then click** Rename**.
  
5. **Type a new name**, then click the **Rename** button.
</details>

### How Do I Delete My Duo Device?

<details>
<summary>Click to view how to delete your device...</summary>

1. Log in to the [My Cal Poly Portal](https://myportal.calpoly.edu/).
2. Click the **Personal Info tab**. Under Personal Info, select** Authorized Devices**. Open the **Multi-factor Authentication** dropdown. Click** Edit**.
  
3. **Select an authentication method** and complete the verification on your currently enrolled device.
  
4. Once authenticated, you will see a page that lists your devices in square cells. Click **Edit, **then click** Delete**. You will be asked to confirm the deletion.
</details>

> ℹ️ If you replaced your mobile device with a new model and kept the same phone number, please view the [Reactivate Duo Mobile on a New Phone](https://calpoly.atlassian.net/wiki/spaces/CPKB/pages/3211385) page.

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