O2 is one of the leading telecom brands in the U.K., providing mobile SIM card and broadband services. As a customer, it allows you to customize your monthly plan according to your needs. If you have ...

German operator O2 Telefónica, controlled by Spanish telco Telefónica, and compatriot infrastructure provider 5G Synergiewerk have activated what they claim to be the first 5G street light in ...