China smartphone shipments increased +2% YoY in Q2 2017. Huawei maintained the top position this quarter, followed by OPPO and Vivo. Xiaomi surpassed Apple for fourth place with significantly improved volume and market share from last quarter. Samsung must address its weak position in China as it tumbles to 9th place. A ground up strategy and execution review is required for Samsung. Samsung brand identity and portfolio for China needs urgent attention as further retrenchment from the critical market should not be an option. Our extensive report contains handset and smartphone shipments and marketshare by multiple vendors and operating systems by quarter in China from Q1 2009 to Q2 2017. A forecast by smartphone vendor for Q3 2017 is also included. The report is a valuable tool for stakeholders wishing to track the China market, the world's largest by volume and revenue.