From Canon USA: Details
Firmware Version 1.1.3 incorporates the following fix:
1. Fixes a phenomenon in which the Date/Time/Zone settings screen appears on the LCD display, after the user has already configured these settings. The values for the Date/Time settings may reset if the backup functions which retain those values do not perform properly.
Even if the camera does not exhibit this phenomenon currently, it may in the future. Accordingly, we recommend that you update the Firmware in the camera to version 1.1.3 as soon as possible.
Firmware Version 1.1.3 is for cameras with firmware up to version 1.1.2. If the camera's firmware is already Version 1.1.3, it is not necessary to update the firmware. Before downloading the firmware update for your camera, please review the instructions thoroughly. Changes
Firmware Version 1.1.3 incorporates the following fix.
- Corrects the phenomenon where date/time settings reset.
After the firmware has been updated please perform the following action:
Leave a fully charged LP-E6 Battery Pack inside the camera for at least an hour. This will recharge the backup function control and the issue should not repeat itself again.
If the fully charged LP-E6 Battery Pack is left inside the camera for less than an hour the issue may occur again.
Firmware Version 1.1.3 is for cameras with firmware version 1.1.2. If the camera's firmware is already Version 1.1.3, it is not necessary to update the firmware.
When updating the firmware the custom settings for "1: All by same amount" in custom functions (C. Fn II - 9) [AF Microadjustment] will be reset.
If you have this custom setting in place, please set it again after the firmware update.
When updating the firmware of your camera, please first go over the instructions thoroughly before you download the firmware. Q&A Section:
Preparations for the Firmware Update:
After the downloaded compressed file (.zip) is extracted, a firmware folder is created.
*Extracting the downloaded file: Right-click the zip file, and then select Extract All to extract the file. The extracted folder contains the firmware (file name: 6D000113.FIR / file size: 19,907,580 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 confirm the contents of the download, and carefully read through the firmware update procedures. Download
the Canon EOS 6D version 1.1.3 Firmware
carries the Canon EOS 6D DSLR Camera