Mobile network O2 has launched Switch Up - a new service that claims to offer more freedom to 'flex your plan' and upgrade your handsets before the contract is up. It's an interesting proposition, and ...

O2 outshines the other big mobile providers, but it could (and should) be cheaper Barry Collins is a technology journalist and broadcaster. He was assistant editor of The Sunday Times technology ...

O2’s new scheme lets customers swap their phone for a new one whenever they like, but what’s the catch? Adam covers home improvements and mobile networks, splitting his time investigating topics from ...