Is the "gray" iPhone 7 made for Japan and sold in a store in the Russian Federation?

Question

iPhone

Is the "gray" iPhone 7 made for Japan and sold in a store in the Russian Federation?
Friends bought a phone in a store, it turned out that the camera always clicks, and the phone is for the Japanese market. Is it "gray" according to the legislation of the Russian Federation, and can it be returned under this sauce.

Answer 1

https://checkcoverage.apple.com/ru/ru/
Gives information about the device, in theory you will find out there