You've used all of your data allowance for this month
You've run out of data for this month and your allowance won't reset until your next bill date.
Can't wait until then? To buy more data now, 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.