Click here to download the EOS 5D 1.1.0 Firmware Update
Firmware specification changes
This firmware update incorporates the following additional functions and corrections:
1. Enhancement of direct printing with specific printers.
2. Correction of the communication errors that occurred when shooting with EOS 5D and EOS Capture software after shooting about 138 shots.
3. Correction of the phenomenon in which the flash mode settings are changed from E-TTL to M (Manual) when EOS 5D is used in combination with Speedlite Transmitter ST-E2 and Speedlite 580EX.
This firmware update applies to cameras with firmware versions up to 1.0.5 installed. If your camera's firmware is already version 1.1.0, it is not necessary to perform this update.
Before downloading the firmware update, please be sure to read the entire contents of this page.