Sometimes, you don’t need all your mobile phone data. Then there are the other times when you could use a little more. That’s why all new and upgrading customers with Plus and Ultimate Plans can now take any of their main allowance left over from the last month into the next. And even better, it’s done automatically – no fuss, no limits.
Whether you’re ready to upgrade or add an additional connection, here’s what data rollover means for you:
The power’s in your hands
Your life shouldn’t be limited by how much data you have on your phone. If you end the month with a data surplus (lucky you!), rolling over your main allowance left over from the last month into the next just makes sense.
That means you can enjoy your data however you want, whenever you want – whether life’s throwing you more day trips and road trips or cosy times and family nights at home.
Remember: you can see how much data you’ve got left to use in My O2. The total we show you will include any rolled-over data.
No fuss, more freedom
There’s no cap on how much data from your main allowance you can roll over – unless you already have unlimited data. Didn’t use any of your allowance this month? It’ll all be added to next month’s total. Automatically.
We work out your data rollover from the unused data left in your main allowance at the end of each billing month. For example, on a 50GB tariff, the maximum rollover is 50GB – leaving 100GB for the next month, which’ll expire at the end of that month. Easy.
So, you can do more of what you want, from wherever you want.
Looking for flexibility?
Take out a Plus or Ultimate Plan and we’ll throw in data rollover at no extra cost. That’s on top of all your best-loved benefits, like EU roaming, O2 Switch Up and an Extra.
Ready to upgrade now and want to get this cool perk? If you upgrade to a Plus or Ultimate Plan, you’ll nab data rollover. Likewise, if you switch from a Plus or Ultimate Plan to a Classic Plan, you’ll lose it.
Looking to change your monthly data allowance but stay on a Plus or Ultimate Plan? You’ll be able to roll the new amount over. So, what are you waiting for? Let’s keep it rolling…
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Published: 9 June 2025
For new and upgrading customers only. Data rollover is included with Pay Monthly Plus Plans and Ultimate Plans at no extra cost. Unlimited data plans excluded. Double data received as a Volt benefit is excluded. Up to 100% of unused data from your main data allowance can be rolled over into the following monthly billing cycle. Any data rolled over will last for one monthly billing cycle only. Data from your main allowance will be used before any data you’ve rolled over. Any data that cannot be rolled over will expire. Any data that is rolled over can only be used in the UK. You will lose data rollover as an ongoing benefit if you change to a plan that isn't a Plus Plan or Ultimate Plan, but unused rolled over data will carry over and be available until used up or expired. Click here for full terms.