Smartphone shipments in China slid 21% in Q1, representing the largest ever year-over-year (YoY) decline, according to Canalys. The decline islikely a symptom of a saturating Chinese smartphone market. As smartphone growth in China stalls, two key trends are taking shape: BI Intelligence The majority of the leading vendors are facing annual declines in shipments. Huawei and Xiaomi, the first and fourth leading vendors, were the only companies in the top 10 to beat the slowing market.