Yes, you can buy extra data on O2. This is very easy to do, either through the My O2 app or through your My O2 account. Once you have logged in to your My O2 account, you can select "Add Bolt Ons" to purchase extra data. You can choose from a variety of different data plans, depending on your needs. 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. Manage your account. Buy data, check your balance or manage your account. It's easy with your Surfer plan. We just need your number to point you in the right direction. Use your mobile broadband number to sign in below. It's on the credit card sized holder that came with your sim. 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. Extra charges guide Help and support Some types of calls, messaging and data use aren't included in your tariff, so you'll be charged extra for them. And if you use up your normal allowance of calls, texts or data, you'll be charged for any usage on top of this. Take a look at the table to see how much you'll pay. 3:01. More than a hundred container ships are taking the long route around Africa to avoid violence in the Red Sea, creating extra costs and delays, as the US weighs up how to respond to the Yes, you can buy extra data on O2. You can purchase Data Extras to give you extra data allowance when you need it. There are a range of Data Extras available to suit different needs. You can buy a Data Extra to give you an extra 1GB, 2GB or 5GB of data. This can be used at any time during your monthly billing period. 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. PTVcPTm.