TrendForce: Used Phone Market Share to Rise Year by Year, Apple Tops the Market with Nearly 50% of Sales 

According to TrendForce's research, the market size of used mobile phones will be 167 million units in 2022, with an overall market share of about 11%. In terms of brands, Apple will have the highest sales share of 45-50% in 2022, with Samsung in second place with 25-30%.