MNO
5G
eSIMVoLTE
O2
Everything about O2: the network it runs on, eSIM support, APN settings, MMS and how to set it up.
APN SettingsCopy-ready values for data & MMS.APNmobile.o2.co.ukSee all O2 APN settings
About O2
- Country
- UK
- Type
- MNO
- Founded
- 1985
- 5G
- Yes
- eSIM
- Yes
- VoLTE
- Yes
- MCC / MNC
- 234 / 10
- Customer care
- 202
Set up O2
- MMS SettingsPicture messaging and group chat values.
- eSIM ActivationScan a QR code to add or switch plans.
- International RoamingStay connected when travelling abroad. Coming soon
- Activate SIMStep-by-step SIM activation guide. Coming soon
- Port Your NumberKeep your number when switching carriers. Coming soon
Background
More about O2
O2 started as Cellnet, a joint venture of BT and Securicor whose first service ran in January 1985. BT later bought out Securicor and called the network BT Cellnet. BT split its mobile arm off as mmO2, and the network took the O2 name in 2002. Telefónica bought O2 in 2006, and 5G went live on 17 October 2019.
Since 1 June 2021 O2 has been part of Virgin Media O2, a 50:50 joint venture of Telefónica and Liberty Global. giffgaff, Sky Mobile and Tesco Mobile run on its network. Pay monthly and pay as you go SIMs use different APNs.
Mobile Networks in the UK
All mobile networks in the UK →Other networks in the UK
Same brand