When it came out, the iPhone X was the most expensive Apple handset ever. But the record has been broken
Apple iPhone Xs Max - Phonex Technologies : Online Shopping for ICT Product and Services
iPhone XS: Now Discontinued. Everything We Know.
iPhone XS vs. XS Max vs. XR: Buy your best iPhone for 2018 - CNET
iPhone XS, iPhone XS Max and iPhone XR first impressions
iPhone X Generation
iPhone XR vs iPhone XS vs iPhone XS Max: What Should You Buy?
iPhone X - Wikipedia
The iPhone X half a decade later: Are we entering the era of future-proof flagships? - PhoneArena
iPhone XS and XS Max review: Going for the gold
9 things you need to know about Apple's iPhone XS and iPhone XS Max