Major mobile provider warns key service will close down in DAYS leaving some customers with no data on their phone

ONE of the UK’s biggest mobile operators is switching off a long-running service that will leave some with no access to internet on their phones. O2 started deactivating its 3G network in April and is set to continue that work in a matter of days. Other operators that rely on O2 is impacted, including Tesco Mobile, GiffGaff…