# Unknown sources in Android

To install such enterprise applications you have to allow 'unknown sources' in the system settings of your android device to finish the installation of your application.&#x20;

<img src="/files/-L_72SAYIMPU_1p3ZeGg" alt="" data-size="original">&#x20;

To solve this issue follow these steps:

1. Navigate to your **Systemsettings** > **Security**.
2. Check the option **"Unknown sources"**.
3. Tap **OK** on the prompt message.
4. Select **"Trust"**.

After that all enterprise applications can be installed without any issue.


---

# 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.getupdraft.com/android/unknown-sources-in-android.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.
