Major network provider issues important update on huge mobile service that’s started closing down

MOBILE network O2 has warned that there is still “significant” traffic on its 2G and 3G airwaves.

From this month, O2 will begin closing its 2G and 3G services.

AlamyMost people with a modern smartphone from the last few years won’t notice any difference[/caption]

While the change is coming to O2, it will affect other operators that use the network, including Tesco Mobile, GiffGaff and Sky Mobile.

It forms part of a nationwide shutdown, joined by Vodafone, Three...