Anyone with an older phone that’s currently connected to the O2 network needs to upgrade immediately. The popular UK provider has just issued a final warning, and ignoring it could leave some without ...

SIM cards, the small slips of plastic that have held your mobile subscriber information since time immemorial, are on the verge of extinction. In an effort to save space for other components, device ...

Many or all of the products here are from our partners that compensate us. It’s how we make money. But our editorial integrity ensures that our product ratings are not influenced by compensation. The ...