Several hundred million smartphones will flow through "closed" operator channels worldwide during 2017. Operators have traditionally dominated smartphone distribution until 2013, but retailers have surpassed operator channels since 2014 and will grow their share of the industry in the coming years. How much volume will retailers capture in US, China and India in 2017? This report forecasts global smartphone distribution flows for 6 major regions and 30 key countries from 2007 to 2022, including North America, Western Europe, Latin America, China, US, India, Japan, UK, Brazil, Nigeria, Poland etc. The forecasts can be used by smartphone vendors, vehicle makers, apps developers and others to identify the main regional channels where mobile phones are being sold, and whether operators or retailers are winning the distribution wars.