on 14-07-2025 14:50
Hi I have just upgraded and when DPD delivered they could not leave item as text had been sent to my old original number. I changed my number over 10 years ago but not letting me change on my account
on 14-07-2025 15:08
You need to contact O2.
Message them on Social Media. Facebook (https://o2uk.co/O2CFB) , Twitter (X) (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) or give them a call on 202 or 0344 809 0202 (contract) 4445 or 0344 8090222 (PAYG)
Guide: How to find help & contact O2