0.1% of the world’s 4G users consumed more than half of all LTE downlink data in 2013, according to a new report. That makes these ‘extreme’ 4G users 10 times more data hungry than 3G customers, where 1% of users consume half of all 3G downlink data.

The figures come from the JDSU Location Intelligence Business Unit, which was known as Arieso until its acquisition last year.

Natasha Cooper writes:

As someone who has been through more iPhone screens than I’d like to remember, when I recently upgraded to an iPhone 5s I was keen to keep it in one piece - for a few months at least. Cue the new CAT Active Urban Phone Case, which claims to protect your phones from falls of up to 1.8 meters using a reinforced material that can also be found in protective equipment for motor bike riders.

Mobile payment provider iZettle has released its first software development kit for developers. It follows the release of iZettle’s API in 2012.

The free iOS SDK makes it easier for developers to add payment services to their mobile applications in any of the nine countries where iZettle operates.

The latest financial results from Nokia show the company making a net profit of €41 million for 2013, which compares favourably with a €1.483 billion loss in 2012. Annual net sales for the group were €12.7 billion, down 17% year-on-year.

Nokia’s NSN division - which manufactures network equipment and will be the main part of the company when its devices and services is taken over by Microsoft - made a net profit of €15 million, compared with a net loss of €1.4 billion in 2012.

New Ofcom guidance comes into force today, enabling consumers and small businesses to leave their landline, broadband or mobile contracts without penalty if their service provider increases the monthly subscription price unexpectedly.

The guidance, which applies to all new contracts, also notes that customers should be given at least a month’s notice of any monthly changes.