Hi
@Help19Yes it is a legitimate email from o2, they use the o2mail.co.uk for various emails they send out.
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iPhone 16 Pro Max - o2 and Spusu
Galaxy Z Fold 6 - Mozillion
iPad Pro 11 M4 - Three
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This is not customer services and we dont have access to your account
I do not work for o2 or any VMo2 /Telefonica/Liberty Global Company