Besides design, specs and street cred, there is another important variable to explore while choosing a phone - value retention. What good is the snazzy flagship you paid close to a grand for, if a few months after its introduction it would have become an upper midranger, and, more importantly, lost a whole midrange price tag in value?

This is why we are curious to know if last year's flagships, for example, are ageing gracefully. After all, 2018 was the year when average phone prices hit a record, and there's never been such a price jump year-on-year, thanks mainly to "1K" phones like the ...