Global smartphone shipments dipped in Q4 2019. The top 20 families of models accounted for 8 in 10 of all smartphones shipped in the quarter. Apple and Samsung top the charts, but Huawei's Honor, Ascend, Nova and Enjoy series, Xiaomi’s Redmi and Mi series, OPPO's A, F and Reno series, Vivo's Y, X, S and V series, Lenovo-Motorola's G and E series, and LG's K series are on the list. Our extensive report tracks the world's best-selling, top-20 smartphone families and top-50 models by shipment volumes from Q1 2011 to Q4 2019.