No hardware mode or hack required. There’s now an easy and quick workaround to reset the overheating timer on the Canon EOS R5, even with the latest firmware. I have not tested the EOS R6 yet. How to: If the camera has overheated in 8K / 4KHQ / 4K120p / 4K60p or  the overheat warning … Continue reading UPDATED: Reset Canon EOS R5 overheating warning with simple date/time change