I can't get the pass code for Messenger

[Skyebird]

I have a new phone, Pixel 7 Pro and can't get the pass code to get into the app. I'm not getting the text. I've tried what's suggested on the Facebook help page. 

[pgn · Accepted solution]

Guide: Text Message Tips (not sent or received) any help, @Skyebird?

Also Guide: How can I sort out my network issues? 

Failing that, reach out to O2 via Social Media, as shown in the URL just below this post, @Skyebird.