Mobile operator O2's service outage is still causing problems for customers who joined its network or upgraded since the issues began on Friday. Calls, texts and data for existing customers should be ...

Virgin Media O2 has rolled out 5G Standalone in Sheffield and surrounding areas, it revealed on Thursday.

Markus Haas, CEO of Telefónica Deutschland, pictured at the headquarters of mobile communications provider Telefónica (O2). The head of Munich-based mobile phone operator O2 sees his company on the ...

Mobile network operator O2 has launched an internal toolkit designed to provide support for trans employees who are either going through or considering starting their gender transition journey, along ...