05-25-2025 01:33 PM
Hi...
My 600EX-RT was working till Nov'24 and hadn't used it for last few months. When I tried to power it on yesterday, it failed. Tried testing it with different battery and it still doesn't power on. It does not have any kind of damage.
05/13/2026: New firmware updates are available.
EOS R3 - Version 2.1.0
EOS R1 - Version 1.3.0
EOS R5 Mark II - Version 1.3.0
EOS R6 Mark II - Version 1.7.0
EOS R8 - Version 1.6.0
EOS R10 - Version 1.8.0
EOS R100 - Version 1.3.0
EOS R50V - Version 1.2.0
PowerShot V1 - Version 1.2.0
03/17/2026: New firmware updates are available.
EOS R7 - Version 1.8.0
EOS R50 - Version 1.5.0
SELPHY CP1500 - Version 1.0.7.0
PowerShot V10 - Version 1.5.0
01/20/2026: New firmware updates are available.
EOS C70 - Version 1.1.3.1
EOS C80 - Version 1.0.5.1
EOS C400 - Version 1.0.8.1
XF605 - Version 1.0.8.1
10/15/2025: New firmware updates are available.
Speedlite EL-5 - Version 1.2.0
Speedlite EL-1 - Version 1.1.0
Speedlite Transmitter ST-E10 - Version 1.2.0
