We're taking a look back at the biggest mobile industry news stories from February 2015, including allegations that the UK's security service tried to breach SIM card security by hacking into one of the world's biggest SIM producers.

We also talk about the planned BT and EE merger, the creation of two new UK virtual networks, some acquisitions in the mobile payment arena and a new Ubuntu smartphone.

Time for another podcast presented by Iain Graham, James Rosewell and Mark Bridge. They begin this week's programme by talking about the latest enterprise-friendly developments from BlackBerry.

Next comes a new survey from Ofcom about the UK's 4G data speeds, followed by news about TalkTalk's MVNO deal with Telefonica, the growth of WiFi in the home and a report from AVG about social media sapping smartphone performance.

We start this week's podcast with news that EE now has the largest 4G customer base in Europe, with 5.6 million UK connections.

There's also talk about a new DIY product for the Internet of Things, the disappearance of Nokia branded smartphones, quarterly results for Apple, increasing M2M connections and a growing market for smartwatches.

Telefonica sets up its own mobile advertising business, Mozilla puts an interim CEO in place and Nokia suspends sales of its flagship Windows 8.1 RT tablet: all topics for discussion in this week's podcast.

We're also talking about the future growth of Orange Money, EE's online activity, mobile broadband growth and the Loch Ness monster being spotted on Apple iPhones.

This week's programme begins with some of the biggest news stories that came out of Mobile World Congress.

Iain, James and Mark then move on to the other headlines from the past few days, including Boeing's secret agent smartphone, Apple's plans for mobile in-car entertainment, a new structure for Telefonica and new technology for mobile payments.