The desire for high-end smartphones has contributed to a little increase in the total smartphone market, which has aided Apple and Samsung's development.
That being said, companies like Xiaomi, Transsion, and Oppo/OnePlus that are progressively becoming more well-known worldwide should cause concern for the big players in the IT industry. According to this IDC analysis, "the smartphone market is emerging from the turbulence of the last two years both stronger and changed."