China 's smartphone sales hit a fresh low in the April-June quarter (down 14.2 per cent) to reach less than half of the sales of the historical peak in the fourth quarter of 2016, a new report has shown. The last time sales were lower than this point was nearly a decade ago in Q4 2012, when the iPhone 5 was introduced. According to Counterpoint Research , with a 19.8 percent share, Vivo retained its first place in Q2, followed by Honor (18.3 percent) and OPPO (17.9 percent). The quarter's volumes were 12.6 percent lower than the level seen during…