@Stephen6
If you’d like to receive delivery reports, you can enter *0# at the start of each message, followed by your text message and then send the message as you usually would.
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.