UK mobile operator O2 is to slash international calling charges across its Pay & Go range, allowing its customers to make calls to mobiles and landline numbers from as little as 1p a minute, with ...

O2 SIM card distributors are facing clawback charges of up to £1 million as a result of so-called fraudulent use of its international SIM tariffs by end users. The clawbacks relate to O2 SIM cards ...

To highlight its International SIM offer enabling cheap calls abroad, O2 has commissioned artwork from the relevant countries, which we see as the VO explains the deal. This one for India, Pakistan ...

Art created to reflect the artistic styles of five different countries central to push across TV, print, outdoor and digital media O2 has unveiled the latest marketing campaign for its International ...

O2, a mobile telecommunications ('telco') brand, increased awareness of and conversion to its new international SIM bundles among relevant expatriate communities via a media-first out-of-home (OOH) ...