Store South Africa sees a significant rise in the sale of Apple iPhones, boosted by its pre-owned and trade-in business.

Apple products rarely go on sale, but right now, Walmart is offering major discounts on some of the most popular devices.

In fact, the only pre-owned original part in refurbished iPhones is the logic board, which includes the processor and other hardware that makes the phone work, and the camera module. Essentially ...