Firmware Version 1.7.0 incorporates the following enhancements:
1. Support has been added for the following lenses: – RF600mm F11 IS STM – RF800mm F11 IS STM – EXTENDER RF1.4× – EXTENDER RF2×
2. The operation of playing back through the multi-function bar has been improved* *please refer to the latest version of the camera’s Instruction Manual that is released with the firmware updates.
3. Support for the Battery Pack LP-E6NH has been added.
Firmware Version 1.7.0 is for cameras with firmware up to Version 1.6.0 If the camera's firmware is already Version 1.7.0, it is not necessary to update the firmware.
Q&A Section: Preparations for the firmware update:
In the folder you downloaded are the firmware (EOSRA170.FIR / file size: 34,015,600 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 be sure to check the procedure in accordance with the instruction.