I have exactly the same problem with my new iPhone 11 However I was able
to set up WhatsApp by receiving the verification code via an automated
call instead of a text.
I've got exactly the same problem with my new iphone 11 . Just says
waiting for activation. Two days trying to set up my new phone multiple
reboots & three factory resets. If anything it's good to hear it's o2
issue & I'm not totaly thick after all. ...
I have exactly the same problem with my iPhone 11 which I received as an
upgrade 5th May. Total nightmare. I can't receive or send text messages
& can't set up important apps as I can't receive verification codes
which they try to send via text messa...