How to Update Rapidfire Firmware and Upload Custom Logo

Here is the steps to update the firmware on your ImmersionRC Rapidfire module, and how to upload a custom start-up logo. It’s important to ensure you have the latest firmware to get the best possible performance out of it.

Here is my review of the Rapidfire module, and where to buy it.

Table of Content

Downloading and Installing Firmware Updater

Download firmware updater software here (scroll down to Utility Software section): https://www.immersionrc.com/fpv-products/rapidfire/

Once you’ve downloaded the file from above, extract it and install it to your computer.

Connecting Module to Computer

Remove the Rapidfire module from your FPV goggles.

Connect the module to your computer using a micro USB cable.

While plugging in the USB cable to your module, make sure you are pressing down on the joystick button. This will put the Rapidfire in “update mode” (DFU mode) which allows you to flash the firmware. Nothing should appear on the Rapidfire screen if you did this correctly, like it’s powered off.

A new COM port should appear on your computer. If nothing happens, try a different USB cable.

Updating with Firmware Updater

Open the firmware updater software.

With the module plugged in, and in DFU mode, its COM port should be selected automatically by the updater.

You can select a firmware version you want to flash from the top right of the window, just select the latest. By enabling “Beta”, you can select pre-release versions, but personally I recommend stable versions (with Beta disabled).

Now click the “Flash Firmware” button and the firmware will begin to update. It should take less than a minute.

When Update Is Complete…

Once the update is finished, you can unplug the USB cable and install your module back in your goggles.

Don’t forget to calibrate the Rapidfire module every time you update the firmware.

Upload Custom Start-up Logo to the Rapidfire

You can upload a custom logo to the Rapidfire using the firmware updater. The logo will show up every time you power up the module.

The logo is loaded to the module along with the firmware, that means every time you upload a new logo, you have to re-flash the same firmware again.

The requirement for the logo file is: 128px * 64px, black and white (grayscale), and save it in .bmp file. For the best result, try to use black background with white letters/logo in your image.

Click the “Load Bitmap” button, select the logo, then flash firmware to upload it.

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