Translation:I am Azerbaijani.
I failed on my English!
Does "I am Azeri" works too?
Absolutely and we accept it! :)
As far as I know it doesn't.
It fully works, and, as I am Azeri, I should know.
True for me.
what about azerili, does it work?
This statement is not true. You can say 'Azeri' or 'Azerbaycanlı'.