Updating my Ricoh camera Firmware
The camera firmware can be updated from RICOH THETA for Windows®/Mac.
- Start RICOH THETA for Windows®/Mac
- Select [File] → [Firmware Update] in the menu

- Follow the instructions on the screen to connect the camera to your computer using the provided USB cable

- Select [To next]

- Check Current Version and Available Version and select [To next]

- The firmware file transfer starts.
- When "Transfer Done" is displayed, follow the instructions on the screen to update the firmware on the device

Information coming from https://support.theta360.com/en/manual/content/pc/pc_05.html