Mobile data revenues in the US reached $21bn (£13.4bn) in Q2, 2013, according to a report from analyst Chetan Sharma. Thats a growth of four per cent quarter-on-quarter, and 14 per cent year-on-year.

Data made up 46 per cent of the US mobile industry service revenues. By comparison, in Japan, all three major operators are close to the 70 per cent mark.

ARPU (Average Revenue Per User) for data rose $0.61 quarter-on-quarter, while ARPU for voice services declined by $1.17.

There were just 139,000 new subscriptions in the US over the period, a decline of 95 per cent year-on-year, and the lowest net-adds quarter since the very early days of mobile in the US.

Handsets

Smartphone penetration has passed the 60 per cent mark in the US, accounting for 87 per cent of devices sold in Q2.

Apple was the highest-selling manufacturer, but Android narrowly edged it out as the top OS, with a 49 per cent market share, compared to iOS 47 per cent. The report predicts iOS will bounce back in the remaining two quarters, thanks to product launches.