These updates are related to the security advisory regarding to PTP (Picture Transfer Protocol) communication functions and firmware update functions. Learn more here.
EOS-1D C Firmware Version 1.4.2
EOS-1D X Firmware Version 2.1.1
EOS 5D Mark III Firmware Version 1.3.6
EOS 5D Mark IV Firmware Version 1.2.1
EOS 5DS Firmware Version 1.1.3
EOS 5DS R Firmware Version 1.1.3
EOS-1D C Firmware Version 1.4.2
EOS-1D X Firmware Version 2.1.1
EOS 5D Mark III Firmware Version 1.3.6
EOS 5D Mark IV Firmware Version 1.2.1
EOS 5DS Firmware Version 1.1.3
EOS 5DS R Firmware Version 1.1.3
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