The latest Simmons Connect panel from Experian Marketing Services has shown that the average smartphone user in the USA spends 58 minutes on their device every day.

Just over a quarter of this time (26%) is spent talking and another 20% sending text messages.

EE has launched a range of 30-day SIM-only tariffs for its 4GEE service.

The deals, which are available alongside the network’s existing 12-month SIM-only tariffs, are available in-store, via the EE online shop and from EE telesales.

Tony Blinard of Keys2iPhone.com writes:

Not too long ago, iPhone enthusiasts rallied the White House with an online petition to legalize out-of-contract iPhone unlocking. The Obama administration cast its support that generated only a lukewarm response from the industry. Not surprising: the top three U.S. wireless carriers - Verizon, AT&T and Sprint - have relied on contracts to sell cell phones for over a decade. With Apple's introduction of iPhone - the most expensive smartphone in history - the carriers could then generate lucrative profit margins on each and every phone sold under contract. And to make sure the customers wouldn't 'jump ship', the carriers locked in all subsidized iPhones.

Samsung Electronics has announced the Samsung Galaxy S4 mini, a smaller and lower-spec version of its multi-million selling S4 smartphone.

The Galaxy S4 mini has a 4.3-inch display and runs Android v4.2.2 on a 1.7GHz dual-core processor.

Motorola Mobility CEO Dennis Woodside has announced that the company’s forthcoming flagship smartphone - the Moto X - will be assembled in the USA, although components will be sourced worldwide.

The new device is being described as the first smartphone that’s ever been assembled in the United States.