@Yemoso
As the website is currently playing up, the easiest way is to call 202 and speak to upgrades.
You use your order number as a voucher code to claim the trade in value when you recycle with O2.
https://www.o2recycle.co.uk/
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.
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