He adds that while discounts tend to be between 40% and 50% on a second-hand iPhones, the iPhone X only offers a 30% discount due to how difficult it is to source. More people are fixing their iPhones ...

To determine the average selling price of second-hand smartphones, MyBroadband asked OLX and Gumtree for details on Huawei P10, Samsung Galaxy S8, Samsung Galaxy S7, iPhone 8, and iPhone 7 listings.