No, this filter is specifically for the INSTA 360 GO 3S. Of course, our store also has filters for the INSTA 360 GO 3, and you can go in and buy them directly. 

The ND values of the three filters are different. In order to avoid the phenomenon of suitable exposure for wide-angle cameras and medium telephoto cameras and underexposure for telephoto cameras, the light reduction values of the three lenses are slightly different. For example: Wide angle ND8, medium telephoto ND8, telephoto for ND0 Wide angle ND16, medium telephoto ND16, telephoto ND8 Wide angle ND32, medium telephoto ND32, telephoto ND16 Wide angle ND64, medium telephoto ND64, telephoto ND3 ND&PL filters also have the same ND value distribution as ND filters 

If it is a magnetic filter from K&F CONCEPT, it can be used as long as the caliber is the same. It is not possible if it is a threaded or other brand filter. 

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Don't know. We have an iPhone 6s and it works with that.