It's a standard thing with O2 - you provide the credit card details and then you can turn off the age filtering for good.
(I've never known why they do this on contract SIMs though. You can't enter into a contract if you're under 18.)
Gift gaff go a step further and require a photo of your passport.
I don't even own a credit card.
@bq started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
It's a standard thing with O2 - you provide the credit card details and then you can turn off the age filtering for good.
(I've never known why they do this on contract SIMs though. You can't enter into a contract if you're under 18.)