Firmware Version 1.0.9.1.00 is for Cinema EOS C300 and EOS C300 PL cameras with firmware Versions 1.0.2.1.00 - 1.0.8.1.00.
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Changes:
Firmware Version 1.0.9.1.00 includes the following support and improvements.
1. Apple iOS6 is now supported when the camera is paired with the WFT-E6 for remote operation.
2. The polarity of the XLR terminal has been modified to improve compatibility with external audio devices. The pin configuration has been modified to be consistent with the description in the Instruction Manual.
Firmware Version 1.0.9.1.00 is for Cinema EOS C300 and EOS C300 PL cameras with firmware Versions 1.0.2.1.00 - 1.0.8.1.00. If the camera's firmware is already Version 1.0.9.1.00, 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.
Further information:
Download EOS C300, EOS C300 PL Firmware Update version 1.0.9.1.00