You should then be able to confirm: if the VAT number is valid or not; if the VAT number is 'associated with' a certain name and address. How you contact the national authorities varies from country ...

There are just a few differences, such as the bigger battery on XS Max offering an hour longer than the battery on XS. Another difference is the huge 6.5-inch display on XS Max as compared to 5.8-inch ...