Apparently, the M3 control algorithm is different from those of digital SLR cameras EOS family. I received confirmation of successful work for the following models: 750D, 760D, 70D, 80D, 6D, 5Dmk4. Unfortunately, I do not have an arsenal of equipment...
Good news guys!First remote app for Canon EOS. Tested on Lumia 620 with windows 10 and 6D.https://www.microsoft.com/en-us/store/p/dslr-remote-capture-for-canon-eos/9p5fcw097ts9
