device.help-and-support
Apple iPhone 16
iOS 18
device.browse-via-topic
I can't send and receive iMessages on my Apple iPhone 16 iOS 18
device.troubleshooting.possible-causes: There are problems activating iMessage
The first time you activate iMessage, it may take a while before the activation is completed.
device.troubleshooting.solution: Turn off iMessage and try setting up your phone for iMessaging again after some time.