I have gone on for years with iMessages that are independent of each other between my devices. I have 'tried' turn 'hands off' and still there is no communication.
What am I doing wrong?
iPhone 11 Pro Max, iOS 14
Enable message forwarding on your iPhone (Settings > Messages > Text Message Forwarding)
This allows messages from your phone to also be delivered to your other devices.
To keep everything in sync, also enable Messages in iCloud (Settings > {Your Name} > iCloud) on your devices.
Connecting iMessage between iPhone, Mac, and iPad
