Can I check the genuity of my iPhone using the serial number?
s.n. C******NO
is original iphone?
[Edited by Moderator]
Apple Watch Series 6, watchOS 11
Then it’s probably not genuine.
Anyone sophisticated enough to attempt to counterfeit an iPhone will likely counterfeit (i.e. “clone”) the S/N of a genuine device as well.
Feel free to have a look at:
Check Your Service and Support Coverage - Apple Support