Now the dust has settled, Which? take a look back at the most exciting phones of Mobile World Congress, and what left us a little disappointed. Watch our MWC wrap-up video

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Dutch company TomTom says that the rise of free smartphone sat nav apps has caused its dedicated personal sat nav business to rapidly decline. Read more on smartphone sat navs

Chinese telecommunications company Huawei has offered to install the London Underground’s mobile phone network for free, according to rumours. Read more on the tube's mobile network

Take a look at our behind the scenes images of all the booths, handsets and conferences at this year's Mobile World Congress in Barcelona. View our MWC 2011 Flickr gallery

We tracked down Motorola's business smartphone - the Pro - at this year's Mobile World Congress for a first look video review. View our Motorola Pro first look video review

We get hands-on with the Acer Iconia Smart at Mobile World Congress, for a first look video review. View our Iconia Smart first look review

Which? gets a hands-on first look review of the Sony Ericsson Xperia Pro at Mobile World Congress in Barcelona. View our Xperia Pro first look video

Which? gets hands-on with the Sony Ericsson Xperia Neo at this year’s Mobile World Congress. View our Xperia Neo first look video review

The US Justice Department and Federal Trade Commission are deciding if they should investigate Apple over its new in-App subscription policy. Read more on Apple's subscription policy