Before using your new mouse for the first time, you'll need to update its firmware to get the best performance.

To download the firmware, please ensure you have the latest version of Glorious CORE linked below:

Click Here to Download

Note: For wired Model O 2 firmware update instructions, click here.

Connect Model O 2 Wireless mouse via USB and plug in the receiver, then wait for your mouse to appear on the sidebar.

Open CORE and navigate to the setting screen. Select the “Retry Firmware Update” button and select the Model O 2 Wireless from the list.

Once the update is completed click the close button and then select “Open Pairing Utility”:

Follow the directions within the Pairing Utility:

· Unplug all Glorious mouse cables & receivers.

· Plug in the Wireless Model O 2 via USB cable. Plug in its wireless receiver.

· Select the Model O 2 Wireless from the drop down menu.

· Click the “PAIR” button once both the mouse and receiver show as connected.

Follow the pairing instructions that CORE will provide.

In summary, unplug the mouse from USB and turn the mouse switch to “OFF”. Bring the mouse close to the receiver (within 10”).

While holding down the middle mouse wheel button, switch the mouse to “2.4Ghz”. Keep holding the mouse wheel button down, the mouse will begin flashing GREEN.

Keep holding the mouse wheel button down until CORE displays a “Pairing Successful” message:

Following the firmware update and re-pair process, you can reference the following steps to validate the firmware update was successful for both your mouse and wireless receiver.

Unplug the receiver, wait for the Model O 2 Wireless to disappear from CORE and then plug the receiver back in. Navigate to the device screen and verify the firmware version shown is v1.0.0.5 or higher:

Unplug the receiver, wait for the Model O 2 Wireless to be removed from CORE.

Connect the mouse via USB cable only. Navigate to the device screen and verify the firmware version shown is v1.0.0.5 or higher:

Connect the Model O 2 Wired, then wait for your mouse to appear on the sidebar and navigate to the Settings screen.

Select the “Retry Firmware Update” button and select the Model O 2 Wired from the list:

Once the FW update is completed click “closed” on the pop up.

Unplug the Model O 2 Wired and wait for the device to be removed from CORE. Plug the Model O 2 Wired back in and navigate to the device screen and verify the Firmware version shown is v1.0.4 or higher:

Having trouble updating your mouse's firmware? Refer to the list below for troubleshooting advice.

• Update Prompt Does Not Appear: If no update appears, click on the settings (cogwheel button) in the bottom left corner, then click the “Retry Firmware Update” button and select your mouse from the available devices list. Then follow the on screen instructions to fully update your mouse firmware.

• Update Failed: Ensure that your mouse is plugged in to the USB port and that your internet is connected. Then proceed to follow troubleshooting step one again.

• Mouse is Unresponsive:

Try resetting your mouse with the following steps:

1. Hold down the the left click, right click, and middle mouse button for 5 seconds

2. While pressing and holding these three buttons, the RGB lights should blink green

3. Your mouse should be reset to factory settings

4. Proceed to follow troubleshooting step one again.

If you're still unable to update your mouse's firmware, please contact our Customer Support Team. They will be happy to assist!