Huawei, Samsung, and OPPO increased market share, while Apple and Xiaomi declined.
From Tuesday's press release:
Apple’s iPhone sales continued to decline in the third quarter of 2019. Apple sold 40.8 million iPhones, a year-over-year decline of 10.7%. “Although Apple continued its sales promotions and discounts in various markets, this was not enough to s timulate demand globally,” said Mr. Gupta. “In the Greater China market sales of iPhones continued to improve, however, it follows a double-digit decline recorded at the beginning of the year. The iPhone 11, 11 Pro and 11 Pro Max saw good initial adoption, which suggests that sales may be positive in the remaining quarter.”
Cue the spreadsheet:
My take: Still counting unit sales. IDC, as usual, disagrees with Gartner. IDC's calendar Q3 report, issued three weeks earlier, had Apple shipping 46.6 million iPhones, down less than 1% year over year. Cue IDC's spreadsheet: