Mobile payment system provider DigiMo has announced a new platform that provides what it describes as "the first true mobile payment solution".

The service can be offered by online companies, credit card providers or mobile operators. Consumers would simply register for the service online, providing their mobile phone number and payment details. They'd then be given a PIN to use when paying at participating retailers.

Microsoft has warned that Windows Phone handsets which have previously been 'updated' using an unofficial process may not be able to receive any further updates.

People who managed to 'force' version 7390 onto their phones instead of waiting for an update via their Zune PC software won’t be able to receive version 7392… or any further OS revisions.

Sony Ericsson has added two new members to its Xperia smartphone family. Both run Android v2.3 on a 1GHz processor, offering a 5 megapixel camera, 720p HD video recording and a 3-inch screen.

The new Xperia mini is just 88mm x 52mm x 16mm, weighing 94g, while the Xperia mini pro is slightly larger to accommodate a slide-out QWERTY keyboard.

Wapple, which provides businesses with mobile web technology, has appointed a new new Chief Executive.

Simon Lavers is joining the company as CEO. He's most recently been a director of advisory and venture capital group Hartnup Group, having previously co-founded digital services company Activ Australia.

The Carphone Warehouse has introduced a "Network Price Promise" that guarantees to match any deals available from the UK's major mobile networks.

It applies to new connections and upgrades for prepay and 'pay monthly' contracts.