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Firmware version update procedures

1. Before updating the firmware version, disconnect all MIDI and audio devices that are connected to your computer by USB cable. In addition, quit all applications that are running.

2. With the power of the G2.1DM / KL / MA turned OFF, connect the unit with the computer via USB cable while pressing both the DOWN and UP foot switches. This operation puts the G2.1DM / KL / MA into system update standby mode, and “Now Connecting” appears on the display to show that the unit is waiting for a version update.

3. Wait a moment after connecting the unit for the computer to recognize the G2.1DM / KL / MA. When it does, “Ready for version upgrade!” appears on the G2.1DM / KL / MA display.

4. Double-click the “G2.1xx NuUpdater v1.1x.exe” icon to execute the firmware version updater application.

CAUTION: The " x " part of v.1.1x and the " xx " of G2.1xx is different according of the each models.

5. Confirm that “G2Nu / G2.1Nu Ver.*.** [0x********]” is shown in both the Input Device and Output Device fields. If it does not appear in one of the fields, click the field and select “G2Nu / G2.1Nu Ver.*.** [0x********].”

NOTE: The “****" part of the device name is different according to the version of the USB controller of your G2.1DM / KL / MA.

6. Click the “Execute” button to start the firmware version update

In addition, the “Now Writing” message that appeared on the G2.1DM / KL / MA display.

Do not disconnect the USB cable during the firmware update.

NOTE : When the following error (Time out error. *-(*)) is displayed in the middle on an update, retry the procedure 2 to 6.

7. When updating the firmware version completes, a notification appears

Click the “OK” button followed by the “Exit” button to quit the firmware version updater application.

8. Finally, after updating the firmware, confirm the version on the G2.1DM / KL / MA itself.

About Device Firmware:

Applying a newer firmware version than the one already installed on your unit can bring various enhancements, include workarounds for diverse problems encountered by the device, and improve or add newly developed features.

On the other hand, downgrading the firmware version can recover the device’s functionality in the event of a software update either turning up faulty or causing the unit’s overall performance to drop. However, bear in mind that applying an older firmware isn’t recommended and might not always be possible.

When it comes to the update steps, due to the large variety of devices and numerous ways for installing a new firmware, it is recommended that you carefully read and understand the upgrade steps, and consider applying a different firmware only when you have familiarized yourself with the update method.

As the installation process is most of the times quite risky, this step should be taken by users that have the ability to successfully complete the update; regular users may initiate it at their own risk. Moreover, it’s best that this task be performed in a steady power environment such as the one ensured by a UPS unit.

Therefore, if you consider applying this release, hit the download button, take into account all the aforementioned aspects, and update the device’s firmware. Also make sure you constantly check with our website to ensure that you don’t miss a single new release. 

It is highly recommended to always use the most recent driver version available

Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games

Try to set a system restore point before installing a device driver

This will help if you installed a wrong driver

Problems can arise when your hardware device is too old or not supported any longer

G2.1DM Guitar Pedal Firmware ZOOM G2.1DM Firmware