I phone x max model 2101 include FaceTime or no

Yes it iPhone X Max includes FaceTime. It depends though if your country allows FaceTime .

is banned in certain countries.

Wireless carrier support and features for iPhone in the Middle East and India - Apple Support

AH/A

That model will have FaceTime worldwide; it originated from a country which previously banned it, but no longer does.

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Only if you’re in a Middle Eastern country other than the United Arab Emirates and Israel.

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FaceTime isn't available on iPhones sold in the U.A.E., but can still work if the device was bought elsewhere.

FaceTime is also banned in some other Middle Eastern countries like Qatar, typically for the same reasons. Saudi Arabia however removed a ban in September.”

Apple in talks to get FaceTime ban lifted in United Arab Emirates

I believe model 2101 is iPhone XS Max