Calls go straight to voicemail after one ring or no ring
Text messages stay as green bubbles instead of blue iMessage bubbles
iMessage texts show as “Delivered” no longer appear
FaceTime calls fail or never connect
You cannot see the person’s contact photo or status updates
Their last seen or online status stops appearing in apps that show it
Repeated calls and messages get no response across multiple attempts
You can still send messages, but they never seem to reach them