---
title: "UT-4 firmware update - Roger"
description: "Roger - lider branży zabezpieczeń oferujący systemy kontroli dostępu, rejestracji czasu pracy, rejestracji pracy wartowników. Zapraszamy!"
url: "https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/system-devices/ut-4-firmware-update"
date: "2026-06-27T14:49:13+00:00"
language: "en-GB"
---

#  UT-4 firmware update

- [Download](https://www.roger.pl/en/support/technical-support/download)
- [Newsletter](https://www.roger.pl/en/support/technical-support/newsletter)
- [News](https://www.roger.pl/en/support/technical-support/news)
- [Quick Start Guide](https://www.roger.pl/en/support/technical-support/quick-start-guide)
- [Remote Technical Support](https://www.roger.pl/en/support/technical-support/remote-technical-support)
- [FAQ - Frequently Asked Questions](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions)
    - [Access Control](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control)
        - [RACS 5 System](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-5-system)
        - [RACS 4 System](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system)
            - [PR Master Software](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/pr-master-software)
            - [Access Controllers](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/access-controllers)
            - [System Devices](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/racs-4-system/system-devices)
        - [Access Terminals](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/access-terminals)
        - [Auxiliary Equipment](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/auxiliary-equipment)
        - [Transponders](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/transponders)
        - [Electronic Code Locks](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-access-control/electronic-code-locks)
    - [Time & Attendance](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/time-attendance)
    - [Guard Tour System](https://www.roger.pl/en/support/technical-support/faq-frequently-asked-questions/faq-guard-tour-system)

**Description:**
**I would like to update firmware in UT-4 interface. How can I do it?**

 **Solution:**

In order to update the firmware, please follow the steps below:

1. Download firmware file from this [link](https://www.roger.pl/en/support/technical-support/download/firmware).
2. Log into UT-4 device by means of web browser. Default login: root, default password: dbps.
3. Click *Update Firmware* option and in newly opened window select previously downloaded firmware file (\*.bin).
4. Click *Update*, wait till firmware is uploaded to device and then click Reboot option. *Reboot*.

![UT-4 firmware update](https://www.roger.pl/images/stories/FAQ/ut-4dr-screen-en1.jpg "UT-4 firmware update")

After firmware update it is necessary to update virtual COM port driver (if applicable).

1. Download the driver from this - [link](https://www.roger.pl/en/support/technical-support/download/drivers).
2. *Select Control Panel* and then *Device Manager* within Windows OS.
3. *Select the option Ports (COM & LPT).*.
4. *Right click Digi Connect ME (COMX)  and then select *Update Driver Software.**
5. Select previously downloaded driver file.

![Virtual COM port driver ](https://www.roger.pl/images/stories/FAQ/faq-ut-4-firmware-en1.png "Virtual COM port driver ")

## Schema

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```