on 20-04-2023 12:31
I was called by +442034045568 and told that I had been selected for my tariff to be reduced. The guy on the other end said he was going to send a one time code and for me to stay on the line. I got suspicious and ended the call. I did receive a code from O2 UK but didn't give it to him.
on 20-04-2023 12:43
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.samsung.com/us/support/answer/ANS00062352/
https://support.apple.com/en-us/HT201229