Push and hold the lens switch in direction and rotate the lens to enable shooting

Question ：85mmF1.8 Lens with adapter to transfer Canon EOS M camera：mention turning on the lens switch after updating firmware，like“Push and hold the lens switch in direction and rotate the lens to enable shooting ”

Answer: When you change the lens, first install the original Canon lens on the camera, take off the camera when the lens is rotated out (the lens lock is opened), and then replace the adapter ring and the Meike lens. It means that you need to use the original Canon lens to unlock, turn off the machine directly after unlocking, and then install the adapter and the Meike lens.