# How to Read an Electronic Signature Using a Bluetooth Token

To use qualified electronic signature located on a bluetooth token produced by IIT you should install special software manually on your mobile device.

### **Installation**

{% hint style="warning" %}
Update your OS and browser to the latest version before proceeding.
{% endhint %}

1. To access your qualified keys, download and install sign client for your OS:
   * [Sign client for iOS](https://apps.apple.com/ua/app/iit-sign-client/id1467005893)
   * [Sign client for Android](https://play.google.com/store/apps/details?id=ua.com.iit.signclient) 
2. Open the **Sign client** app and register new user using a bluetooth token (as described above)
3. Click the **+** icon in the app.
4. Select the key type.
   * if you use a bluetooth token of a Almaz-1K productin, select option **Key media**.
5. Select the **Read** option and click the **Key media** again.
6. Turn on the bluetooth device and wait until it is displayed in the app.
7. Click on it and enter the key password.
8. Once registration is complete, you can connect to your key and obtain the key identifier.

### **Read the key**

<figure><img src="/files/qmH2YDDED5BRNaDKUOil" alt="" width="563"><figcaption></figcaption></figure>

1. Select the **Other electronic signature device** option.
2. Enter you key identifier to the respective input and click the **Read key** button.
3. Modal window with confirmation will appear and you will have to confirm you action in the **Sign client** app.
4. After the key reading successfully  you will see detailed information about the signer.
5. Click the <img src="/files/Grsyics4SGDxTVXBND8H" alt="" data-size="line"> button to proceed signing.
6. Click the <img src="/files/oocRgz4JVMpVyyBhzIx4" alt="" data-size="line"> button and modal window with instructions will appear again.
7. Confirm the signing requests in the **Sign client** app.
   * quantity of requests will depend on the documents quantity

{% columns %}
{% column %}

<figure><img src="/files/bkZQC9Q1BPtoenLPUmc0" alt=""><figcaption></figcaption></figure>
{% endcolumn %}

{% column %}

<figure><img src="/files/wVH7VIpxDdCxhaJQYTY9" alt=""><figcaption></figcaption></figure>
{% endcolumn %}
{% endcolumns %}


---

# 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://support.docstudio.com/user/sign-and-download-envelopes/how-to-sign-an-envelope-qualified-electronic-signature/how-to-read-an-electronic-signature-using-a-bluetooth-token.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.