Choose a £10, £15 or £20 Big Bundle tariff. Top up this amount each month and we'll automatically exchange your credit for the minutes, texts and data allowance of your chosen bundle.
There are no contracts with Big Bundles. They last for one month and renew automatically on the same day each month - but only if you've got enough credit to cover the payment. If you don't, choose when you want to top up again and you'll get your bundle when you do.
Plus, if you have any credit left, you'll still be able to call, text and use data at our standard rates until it's all gone.
Get 1000 extra minutes until 6 May 2015. Terms apply.
When you top up
Big Talker lets you top up as often as you want as well as keep all your credit to use how, and when, you like. Top up regularly and we'll give you a free UK allowance of O2 to O2 minutes and texts, as well as a bit of data.
You'll chip away at your free allowance before you start using your credit. Once your free allowance is gone, all calls, texts and data will be charged at our standard rates .
Call international mobiles and landlines from the UK from just 1p a minute. Top up as often as you want and keep all your credit to use how you like, when you like.
Plus, every month you top up, we'll give you a free UK allowance for O2 to O2 minutes, texts and data - on top of your credit. Once you've used up your free allowance, you'll be charged at our standard rates.