The global smartphone apps processors (AP) shipments with on-device artificial intelligence (AI) / neural network processing functionality grew 142 percent year-on-year in Q2 2018. Apple, HiSilicon, Qualcomm, MediaTek and Samsung LSI captured almost 100 percent share in applications processors with on-device AI. HiSilicon's key AI chip Kirin 970, which featured in multiple high volume handsets including the Huawei Ascend P20, P20 Pro and Mate 10, propelled HiSilicon to the number three ranking in smartphone AI chips in Q2 2018. This report tracks quarterly shipments of key smartphone AI AP models for major vendors from Q1 2016 to Q4 2018.