I can't send and receive picture messages on my Apple Watch Series 10 watchOS 11
Cause 1 of 4: The paired phone hasn't been set up correctly for picture messaging
To send and receive picture messages on your Apple Watch, you need to set up the paired phone correctly for picture messaging.
Solution: Check if you can send and receive picture messages on the paired phone. If this is not possible, try resetting your phone's network settings.
