on 13-05-2020 15:54
on 13-05-2020 15:56
It's a well known scam.
Block the number and report it free to 7726.
DO NOT follow any links or enter any information.
O2 advice here https://www.o2.co.uk/help/safety-and-security/phishing-and-smishing-advice
https://www.actionfraud.police.uk/
How to block a number:
https://www.samsung.com/us/support/answer/ANS00062352/
https://support.apple.com/en-us/HT201229