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---
title: "Update firmware on Surface Hub 2 Pen"
description: "This page describes how to update firmware for the Surface Hub 2 Pen."
keywords: separate values with commas
ms.prod: surface-hub
ms.sitesec: library
author: greg-lindsay
ms.author: greglin
manager: laurawi
audience: Admin
ms.topic: article
ms.date: 02/29/2020
ms.localizationpriority: Medium
---
# Update firmware on Surface Hub 2 Pen
You can update the firmware on Surface Hub 2 Pen from a separate PC running Windows 10.
## To update firmware:
1. Pair the Surface Hub 2 pen to your Bluetooth-capable PC.
- To pair the pen press and hold the **top** button until the white Indicator LED light begins to blink.
- On the PC scan for new Bluetooth devices.
- Select the pen and complete the pairing process.
- Temporarily disconnect all other Bluetooth devices during the firmware update process.
2. Download the Surface Hub 2 Pen Firmware Update Tool to your PC.
3. Run **PenCfu.exe.** As the pen firmware automatically updates, you can view the updating progress in the took. It may take several minutes to finish updating.
## Check firmware version of Surface Hub 2 Pen
1. Run **get_version.bat** and press the **top button** on the pen.
2. The tool will report the firmware version of the pen. Example:
- Old firmware is 468.2727.368
- New firmware is 468.2863.369
## Command line options
You can run Surface Hub 2 Pen Firmware Update Tool (PenCfu.exe) from the command line.
1. Pair the pen to your PC and click the **top button** on the pen.
2. Double click **PenCfu.exe** to initiate the firmware update. Note that the configuration file and the firmware image files must be stored in the same folder as the tool.
3. For additional options, run **PenCfu.exe -h** to display the available parameters, as listed in the following table.
- Example: PenCfu.exe -h
4. Enter **Ctrl+C** to safely shut down the tool.
| **Command** | **Description** |
| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| -h help | Display tool command line interface help and exit. |
| -v version | Display tool version and exit. |
| -l log-filter | Set a filter level for the log file. Log messages have 4 possible levels: DEBUG (lowest), INFO, WARNING and ERROR (highest). Setting a log filter level filters log messages to only message with the same level or higher. For example, if the filter level is set to WARNING, only WARNING and ERROR messages will be logged. By default, this option is set to OFF, which disables logging. |
| -g get-version | If specified, the tool will only get the FW version of the connected pen that matches the configuration file that is stored in the same folder as the tool. |