From Canon USA :
Firmware Version 126.96.36.199.00 incorporates the following fix :
- Fixes a phenomenon in which the start time code is not correctly displayed when MP4 clips captured at 59.94P/50.00P frame rate are imported into NLE software.
*RAW clips are not affected.
You cannot perform the firmware update using CFast 2.0 cards. Please use a commercially available SD/SDHC/SDXC memory card that is 128MB or more for the firmware update.
Firmware version 188.8.131.52.00 is for updating Cinema EOS C200 cameras running firmware version 184.108.40.206.00. If your camera's firmware is already version 220.127.116.11.00, it is not necessary to update the firmware. Once the camera is updated to the latest version, it cannot be restored to a previous version.
Download : Canon EOS C200 Firmware v.18.104.22.168.00