I have received an email for an overpayment

[Optim459]

I have received the following email and wish to confirm it is genuinely from O

[jonsie]

It's a well known scam.
Block the number and do not follow any links.
Forward the scam text or number to 7726 - It's free.
Other ways to report here including Action Fraud website
https://www.o2.co.uk/help/safety-and-security/phishing-and-smishing-advice
How to block a number:
https://www.androidauthority.com/block-phone-number-android-246484/
https://support.apple.com/en-gb/HT201229

[Enlli]

Scam

O2 pay credits direct to your account shown on Direct Debits or the card used to make payments.

With an over payment of £27 it is more likely that it would be taken off your next bill

[MI5]

@Optim459 

It looks genuine to me and can see no reason to suspect it's a scam.

Call 202 to be sure and check with customer services.

08448470202 is also a genuine O2 number.