This record is for the best-selling smartphone brand in terms of units retailed within the widest time series of annual data available according to market research.
This record is based on the number of units retailed by the brand within the widest time series of annual data available according to market research.
For the purpose of this record, a smartphone is defined as any device capable of voice communication over a cellular network. A smartphone must have an identifiable operating system, allows installation of software applications (apps), and screen size of <7”.
