EE, which runs its own 4G network along with the Orange and T-Mobile brands in the UK, has signed up two new virtual mobile networks.

They’re the first MVNOs to join EE since the new brand was announced.

Nokia has launched its third Windows Phone 8 device, the Nokia Lumia 620. It’s a smaller, lower-price smartphone than either of the company’s two previous models.

The Nokia Lumia 620 has a 3.8-inch display, a 5 megapixel camera, NFC support and a battery that promises up to 9.9 hours of talk time.

In this week's podcast we find BlackBerry facing a legal battle, SMS spammers suffering a big fine and EE boosting its 4G data tariffs.

We're also talking about a new iPhone camera accessory from musician will.i.am, rich cross-network communications in Spain, free WiFi in Yorkshire and the year's most-popular mobile search terms.

Ofcom’s latest quarterly report into the customer service provided by landline, broadband, mobile phone and pay TV companies shows a significant change in the mobile sector.

Overall, thousands of consumers who’d contacted their provider between July and September 2012 were asked to rate the customer service they’d received. 67% of mobile phone users were satisfied with their network’s customer service, compared with 62% of fixed broadband users, 64% of landline customers and 69% of pay TV subscribers.

UK-based Nomad Digital, which specialises in providing WiFi services on buses and trains, has acquired the technology and support operations of Danish business CM Technology.

CMT, which is based in Copenhagen, provides passenger information systems on public transport and in transport hubs.