There is a previous orders link in My O2 depending how old the device is.
What info are you looking for?
@Emma437 you need to contact customer service and report the issue.
They will pass it on to the fraud department.
Hey @Elinor let us know how you get on with this? 
Hi @Emma437, as mentioned above the best way to report any suspicious activity with your account is through customer service. Did you manage to get in touch with them about this? It was a bit unclear from your post what you meant but please do let us know if you managed to sort this out or need any additional help?
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Yes unfortunately we can't help you and you can only get the full details from fraud via customer service.
