![UNLIMITED UK DATA SIM and UNLIMITED UK+EU Calls - 4G/5G O2 SIM card - Prepaid Sim, Not Pay as You Go. 25GB EU & Worldwide Roaming. Perfect for Holidays or Working Away UNLIMITED UK DATA SIM and UNLIMITED UK+EU Calls - 4G/5G O2 SIM card - Prepaid Sim, Not Pay as You Go. 25GB EU & Worldwide Roaming. Perfect for Holidays or Working Away](https://m.media-amazon.com/images/I/519l-He3vAL.jpg)
UNLIMITED UK DATA SIM and UNLIMITED UK+EU Calls - 4G/5G O2 SIM card - Prepaid Sim, Not Pay as You Go. 25GB EU & Worldwide Roaming. Perfect for Holidays or Working Away
![New records in mobile communications: o2 network cracks 2 billion mark in data usage and telephony | Telefónica Deutschland New records in mobile communications: o2 network cracks 2 billion mark in data usage and telephony | Telefónica Deutschland](https://www.telefonica.de/file/public/1779/o2-Grafic-Record-in-the-o2-network-2bn-1920x1080.jpg)
New records in mobile communications: o2 network cracks 2 billion mark in data usage and telephony | Telefónica Deutschland
![Virgin and O2 will not introduce mobile roaming charges this year for UK customers in EU | UK News | Sky News Virgin and O2 will not introduce mobile roaming charges this year for UK customers in EU | UK News | Sky News](https://e3.365dm.com/22/01/2048x1152/skynews-o2-virgin-media_5636675.jpg)
Virgin and O2 will not introduce mobile roaming charges this year for UK customers in EU | UK News | Sky News
![O2 on Twitter: "@Liam_68 Have you been able to use phone in the past whilst roaming? Can you please DM us some more info? We want to help. https://t.co/5pyLDJBC6r" / Twitter O2 on Twitter: "@Liam_68 Have you been able to use phone in the past whilst roaming? Can you please DM us some more info? We want to help. https://t.co/5pyLDJBC6r" / Twitter](https://pbs.twimg.com/media/FzNyVVYXwAExtMb.jpg)
O2 on Twitter: "@Liam_68 Have you been able to use phone in the past whilst roaming? Can you please DM us some more info? We want to help. https://t.co/5pyLDJBC6r" / Twitter
O2 on Twitter: "@fforchwen If your UK monthly data allowance is over 25GB, you'll have a Roaming Limit of 25GB when roaming in our Europe Zone. We have more info in the
O2 on Twitter: "@jonathancgrant Hi there, what issues are you having with data roaming exactly? Your data (up to 25GB), minutes and text allowance will work in our Europe Zone, just like
![Sims4Travel Prepaid O2 SIM Card Pre-Loaded with 25GB of 4G/5G Data for use in 47 Countries Worldwide (Valid for 30 Days). No Commitments, No Credit Checks, No Tie-ins & No Personal ID. Sims4Travel Prepaid O2 SIM Card Pre-Loaded with 25GB of 4G/5G Data for use in 47 Countries Worldwide (Valid for 30 Days). No Commitments, No Credit Checks, No Tie-ins & No Personal ID.](https://m.media-amazon.com/images/I/61QX0WswyDL._AC_UF894,1000_QL80_.jpg)
Sims4Travel Prepaid O2 SIM Card Pre-Loaded with 25GB of 4G/5G Data for use in 47 Countries Worldwide (Valid for 30 Days). No Commitments, No Credit Checks, No Tie-ins & No Personal ID.
O2 on Twitter: "@Lounza Hi Lindsay. Can we help with anything? Do you have unexpected charges on your bill? DM if you prefer. We want to help. https://t.co/5pyLDJBC6r" / Twitter
![More performance: New o2 prepaid rates score with higher data volume, advanced surfing guarantee, and bonus benefits | Telefónica Deutschland More performance: New o2 prepaid rates score with higher data volume, advanced surfing guarantee, and bonus benefits | Telefónica Deutschland](https://www.telefonica.de/file/public/1869/o2-my-Prepaid-Blog-1920x1080-mit-Logos-2023.jpg)
More performance: New o2 prepaid rates score with higher data volume, advanced surfing guarantee, and bonus benefits | Telefónica Deutschland
O2 - Our thoughts are with everyone affected by the events taking place in Ukraine. Please pass this information on to anyone it may help. Charges since 21 February will be credited
![O2 roaming charges explained: Everything you need to know before your trip to Europe | Expert Reviews O2 roaming charges explained: Everything you need to know before your trip to Europe | Expert Reviews](https://www.expertreviews.co.uk/sites/expertreviews/files/2022/01/o2_roaming_lead_image.png)