Worldwide smartphone sales grew 6% in 2021, according to Gartner, Inc. Apple maintained the No.1 position among the top five smartphone vendors, according to the research group. The strong demand for iPhones was driven by 5G upgrades. Apple sold approximately 83 million iPhones in quarter four of 2021. That’s 3.8% year-over-year growth. Apple has 21.9% […]