ZOOM MS-50G+ Firmware Update Guide

Introduction

Item to prepare

ZOOM MS-50G+: A multi-stomp pedal.
[Description: ZOOM MS-50G+ multi-stomp pedal with controls labeled 'L', 'MONO', 'R', 'INPUT', 'ADD', 'DELETE', 'LIBRARY', 'MENU', 'MEMORY', 'SCROLL'.]
Computer: A Windows or macOS computer with Internet access.
[Description: A laptop computer ? representing a Windows or macOS computer with Internet access.]
USB Type-C cable: A USB cable that supports data transfer.
[Description: A USB Type-C cable ?.]

Firmware update process

Download the firmware update file.
Extract the ZIP file.
Update the firmware.
Confirm that the firmware has been updated correctly.

Updating the Firmware

This guide explains firmware update to version 1.20 as an example.

1. Download the firmware update file.

Download the ZIP file that contains the firmware update file from the MS-50G+ download page.

[Description: Screenshot showing download options for 'MS-50G+ Firmware | Windows' and 'MS-50G+ Firmware | Mac'.]

2. Extract the ZIP file.

On Windows

Select the folder that contains the downloaded ZIP file. Click “Compressed Folder Tools” and then click "Extract all". This extracts the ZIP file.

[Description: Screenshot of Windows File Explorer showing a ZIP file named 'MS-50G Plus_v1.20_Win_E.zip' and the 'Extract all' button.]

After extraction, the following files will be available:

? MS-50Gplus_Firmware_Update_Guide_E.pdf
MS-50Gplus_System Software Version History_120_en...
? ZOOM_MS-50G_Plus_System_v1.2_0_Updater.exe

On macOS

After downloading, open the "Downloads" folder ? which appears at the right end of the Dock by default. Then, click. Downloaded files will be shown.

[Description: Screenshot of macOS Dock showing the 'Downloads' folder ? and Finder showing the extracted file 'MS-50G Plus v1.20_Mac_E'.]

3. Use a USB cable ? to connect the MS-50G+ with the computer ?.

This turns the MS-50G+ power on.

[Description: Rear view of the MS-50G+ showing DC 9V and DC 5V inputs, with a USB (Type-C) port highlighted for connection to a laptop ? via a USB Type-C cable ?.]

NOTE

Use a USB (Type-C) cable that supports data transfer. The following screen will appear when the MS-50G+ is connected.

[Description: A screen displaying 'USB CABLE DATA OK. ANY KEY:CLOSE.']

The following screen will appear if a cable that does not support data transfer has been used. Replace the cable with one that supports data transfer.

[Description: A screen displaying 'USB CABLE NO DATA SUPPORT. ANY KEY:CLOSE.']

The standard Windows driver is necessary for Windows firmware updates. If the USB port used is different from the one used when the standard driver was installed previously, “Device setup” will be shown. After a short time, the standard driver installation will complete.

[Description: A Windows notification pop-up stating 'Setting up a device' for 'ZOOM MS Plus Series'.]

4. Launch the firmware update application.

Double-click the “ZOOM MS-50G Plus System v1.20 Updater” icon to launch. Then, it will appear as follows.

[Description: The 'ZOOM MS-50G Plus System v1.20 Updater' application window, showing MIDI IN/OUT selection fields and buttons for 'Rescan Device', 'Execute', and 'Exit'.]

5. Select "ZOOM MS Plus Series” on [MIDI IN] and [MIDI OUT].

With a MS-50G+, click the “MIDI IN” and “MIDI OUT” fields to open lists of MIDI devices and select “ZOOM MS Plus Series” for both. If nothing is shown in the fields, click [Rescan Device] button.

6. Click the [Exit] button ❌.

Ready for firmware update.

[Description: MS-50G+ device display showing 'Ready for firmware update! Please restart.']

7. Disconnect the cable ? from the MS-50G+.

This turns the MS-50G+ power off.

8. Use a USB cable ? to connect the MS-50G+ with the computer ? again.

The indicator will blink, and the update will be executed.

[Description: The 'ZOOM MS-50G Plus System v1.20 Updater' application window showing progress as '2/4 Erasing Flash memory.' with a progress bar.]

NOTE

Do not turn the power off or disconnect the USB cable while the firmware is being updated.
In the unlikely event that a firmware update should fail, conduct the procedures from the beginning to update the firmware again.

9. When the firmware update completes, click the [Exit] button ❌ to close the firmware update application.

[Description: MS-50G+ device display showing 'Complete!'.]

[Description: The 'ZOOM MS-50G Plus System v1.20 Updater' application window showing progress as '4/4 Version update completed.' with a full progress bar.]

10. Disconnect the cable ? from the MS-50G+.

This turns the MS-50G+ power off.

Confirming that the firmware has been updated correctly

Check the firmware versions used by the MS-50G+.

1. Press [Menu Button] ?️.

This opens the Menu Screen on the display.

[Description: MS-50G+ display showing the main menu with options like 'MOVE EFFECT', 'PATCH NAME', 'EXIT', 'ENTER'.]

2. Turn [Scroll Wheel] ? to select "VERSION”.

[Description: MS-50G+ display showing the 'VERSION' menu item highlighted.]

3. Press [Enter Button] ✔️.

This shows the firmware and preset versions.

[Description: MS-50G+ display showing the 'VERSION' screen with 'SYSTEM 1.20', 'PRESET 1.00', 'BOOT 1.00', 'CHECKSUM ED9A'.]

Legal Information and Disclaimers

ZOOM CORPORATION will bear no responsibility for any losses or third-party claims resulting from the use of this software. Moreover, distribution, sale, leasing, rental, alteration, and reverse engineering without permission of this software are prohibited. The specifications of this software and the contents of this document could be changed without notice in the future.
Copying or reprinting this manual in part or in whole without permission is prohibited.
Windows® is a trademark or registered trademark of Microsoft® Corporation.
macOS® is a trademark or registered trademark of Apple Inc.
USB Type-C is a trademark of the USB Implementers Forum.
Other product names, registered trademarks and company names in this document are the property of their respective companies.
All trademarks and registered trademarks in this document are for identification purposes only and are not intended to infringe on the copyrights of their respective owners.
The illustrations in these instructions might differ from actual screens.

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