Firmware Version 1.2.1 incorporates the following fixes and enhancements:
1. Support for the EOS R5 C has been added.
Firmware Version 1.2.1 is for Wireless File Transmitter with firmware up to Version 1.1.0 If the Wireless File Transmitter's firmware is already Version 1.2.1, it is not necessary to update the firmware.
The Applications have been updated accordingly:
Please download the Applications as well as the latest firmware.
Preparations for the firmware update:
In the folder you downloaded are the firmware (WR100121.GFU / file size: 30,331,306 bytes) and instructions on the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese). Before starting the firmware update operations, please be sure to check the procedure in accordance with the instruction.
Firmware download link: