New Delhi, Aug. 10 -- Turning the mantra of depreciation on its head, refurbished iPhones are actually getting more expensive as they get older. For instance, a two-year-old iPhone 15 is now selling for around Rs.48,000 on refurbished-phone platforms, Mint research across refurbished smartphone platforms such as Cashify, ReFit and ControlZ showed. That is nearly twice the Rs.25,000 that a similarly aged iPhone 12 cost three years ago. More strikingly, a used iPhone 12 is available at about the same price even today, despite having been launched six years ago. The unusual price behaviour shows a combination of rising prices of new smartphones, strong demand for Apple devices and a shortage of phones entering this market. With consumers holdi...