Just call CS and they will upgrade you.
Any balance you have will be applied as a credit to your contract account.
http://www.o2.co.uk/contactus
You will also need a new sim card which they will post out to you.
You may then need to fill out this form to keep your number unless cs transfer it for you
http://www.o2.co.uk/help/phones-and-devices/how-to-keep-your-mobile-number
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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