O2 is discontinuing its pay-as-you-go data SIMs for existing customers today. These SIMs are typically used in tablets or any device where you don't need to make calls and texts. The PAYG option from ...

· New, free-to-download app lets users make and receive calls, texts and voicemail from their existing O2 number on any supported device · Calls are charged in line with a Pay Monthly tariff – with ...

Pay as you go used to be a simple concept. Top up cash, spend cash, top up again; maybe you'd get a free text or two if you plumped for a voucher beyond the bare minimum. 4G is relatively new to the ...

O2 has launched SIM-only and mobile plans as part of its summer sale - but shoppers who are on the lookout for deals, we've found it much cheaper elsewhere. The retailer has launched a summer sale on ...