![O2 in the UK on Twitter: "Hi Nico, thanks for your message. Our 3G and 4G data services are performing as normal. Our technical teams are continuing to monitor service performance closely. O2 in the UK on Twitter: "Hi Nico, thanks for your message. Our 3G and 4G data services are performing as normal. Our technical teams are continuing to monitor service performance closely.](https://pbs.twimg.com/media/Dt0fRLvXQAItV0b.png)
O2 in the UK on Twitter: "Hi Nico, thanks for your message. Our 3G and 4G data services are performing as normal. Our technical teams are continuing to monitor service performance closely.
![logan on Twitter: "@O2 hi. I usually top up £10 every month. My rewards balance is £9. Can I top up just £1 with my rewards balance or no? Thanks. https://t.co/s4WUIJ7ZQp" logan on Twitter: "@O2 hi. I usually top up £10 every month. My rewards balance is £9. Can I top up just £1 with my rewards balance or no? Thanks. https://t.co/s4WUIJ7ZQp"](https://pbs.twimg.com/media/EWRznGfXkAA1z0q.jpg)
logan on Twitter: "@O2 hi. I usually top up £10 every month. My rewards balance is £9. Can I top up just £1 with my rewards balance or no? Thanks. https://t.co/s4WUIJ7ZQp"
![Pay&Go O2 iPhone 3G Sim card (Unlimited O2 web & Wi-Fi) with £10 Free Credit: Amazon.co.uk: Electronics Pay&Go O2 iPhone 3G Sim card (Unlimited O2 web & Wi-Fi) with £10 Free Credit: Amazon.co.uk: Electronics](https://images-na.ssl-images-amazon.com/images/I/51xKHCzhzBL._AC_.jpg)