canon 5d mark iv

I've been trying to connect my camera wirelessly with my Ubee cable router for days, without success. In a nutshell, the connection, when does happen, lasts 1-2min. Only a single time I have managed to connect the camera for good, without any disconnecting. I tried: 1. Connecting on my...

Hello. Yesterday I went to a concert and did some video records. I've record sound on internal microphone. And everything was fine until one moment.At the half of one song sound went bad. I've uploaded the part of the video here (bad sound from 23 second) ...