Can't wait until then? To buy more data now, sign in to My O2. Or call 2202 from an O2 mobile, or 0344 809 0202 from any other phone. And you can still use wifi. O2 Wifi is free to use and we have 1000s of hotspots around the country. To help stop this from happening again, you can keep track of your data usage and allowances using My O2. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. O2 Pay Monthly customers can have an extra. If you take out an O2 Refresh plan, you'll have an extra included on selected tariffs when you shop with us directly. But if you want to add any extras to your monthly bill, you can do this in My O2 whenever you like. You'll just need to have joined or upgraded since 2010. O2's announcement does not mean you can't use your bundle in EU countries. It states that customers on tariffs higher than 25GB will have to pay a surcharge to access more data - currently £3.50 per GB. Customers on tariffs below that will be able to use all their data as normal and will have to buy data bolt-ons if they wish to access more. Yes, you can buy extra data on O2 with a number of different options. You can buy a data add-on from your My O2 account. All you need to do is choose the best one for you and add it to your account. You can also choose to increase your data allowance with a new tariff. Buying extra data. Hi. I've just changed my o2 tariff and it takes effect in about 3 weeks but I've run out of data and need to buy more. On my account page when I click 'buy bolt ons' it just shows me a message with a exclamation mark telling me that my tariff is changing in 3 weeks. .

can i buy extra data on o2