If I buy the Iphone in your NY store, the operating system of the Iphone is valid for Europe ?. It would be for Spain. Thank you

Yes, no problem in Spain with thr iPhone

Usually buying an unlocked.phne would work perfectly in spain. I had bought in the past and works around the workd perfectly! So please make sure that is unlocked and good ahead! Have a good shopping.

You bought it? The charger understand that it is not worth the connection and because it will be for 110v

You have to find out the bands of your operator in Spain. The new Xs do not have for example band 28.