It's users, as a percentage of mobile phone users (80% of population). So if a family have one iPhone, they can all count as users.
iPhone only bring affordable to richer people who mostly want the latest means lots of second hand items. I'll warrant Android users at the lower end keep their phones longer.
iPhone only bring affordable to richer people who mostly want the latest means lots of second hand items. I'll warrant Android users at the lower end keep their phones longer.