Canon firmware updates for the Canon EOS R6, EOS R6 Mark II, and EOS R7.…
Canon EOS 6D Mark II firmware version 1.0.4 released
Canon released firmware ver. 1.0.4 for the Canon EOS 6D Mark II.
Firmware Version 1.0.4 incorporates the following fixes:
1. Corrects a phenomenon in which in rare instances, the operation buttons and some touch panel functions do not respond.