Dpreview posted the full YI M1 review and I have to say it’s years that I don’t see a camera NOT getting at leats a Silver award. The conclusion is:
The M1 is built around a 20MP Micro Four Thirds sensor that produces excellent Raw files offering good latitude. JPEGs are subtle in color, but full of detail in good light. Low light JPEGs suffer due to unsophisticated noise reduction. Autofocus routinely fails even on still subjects, while continuous AF is unusable; these problems are only made worse in low-light. The M1 produces some nice Full HD video and the 4K/30p video is capable, but can be very lens dependent and shaky due to the lack of stabilization, with unusable autofocus.
Well at least YI dropped the price of the camera kit by $150 at Amazon US. That maybe helps to make some sales after all.