Hi Mike and welcome:
I have yet to see a 1.7.0 firmware listed, the current version as of 24/9/2024, 1.6.0. I checked three countries Canon sites.
cheers, TREVOR
The mark of good photographer is less what they hold in their hand, it's more what they hold in their head;
"All the variety, all the charm, all the beauty of life is made up of light and shadow", Leo Tolstoy;
"Skill in photography is acquired by practice and not by purchase" Percy W. Harris
