# How to change device background

To set any image as a device background, follow the instructions below:

1. Open the [Device settings](/reference/device-settings.md) screen in the Roombelt administration panel.
2. Click "Theme" (in the lower left corner) and "Upload background".
3. Choose an image from your computer.
4. Wait until the image is uploaded, and click "OK" to save your changes.

<figure><img src="/files/dDecOi34PXZ4N3qVETba" alt=""><figcaption><p>Roombelt device settings screen with "Upload background" highlighted</p></figcaption></figure>

You can now refresh Roombelt on your device or wait up to 30 seconds, and the background will load automatically.

{% hint style="info" %}
Background images that follow device orientation give the best results. If you put your tablet in a landscape orientation, use a horizontal background; if you have a device in a portrait orientation, use a vertical background.
{% endhint %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.roombelt.com/tutorials-and-troubleshooting/how-to-change-device-background.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.