What network does Sky mobile use? Sky Mobile uses the O2 network. Sky Mobile is a virtual provider, which means it uses another providers' infrastructure – in this case O2's. It offers 3G, 4G and more recently, 5G coverage.

Who does SKY use as a provider?

Sky Mobile is an MVNO which uses O2's infrastructure. That means wherever O2 has signal Sky Mobile does too, which currently means 4G coverage for around 99% of the UK population indoors.

What network does Sky Mobile piggyback?

Networks like giffgaff, Lycamobile, Sky Mobile and Tesco Mobile piggyback on O2's network for coverage. The UK has only four network coverage providers: EE, O2, Three and Vodafone.