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 has unveiled its latest international SIM marketing campaign with specially commissioned artwork created by artists from Bangladesh, India, Pakistan, Poland and Romania. The campaign was created by ...

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) ...