It says to sign into iMessage. And I put my iCloud stuff into it. It says signing in for a long time and goes back to not signing in. It does this repeatedly.
It says to sign into iMessage. And I put my iCloud stuff into it. It says signing in for a long time and goes back to not signing in. It does this repeatedly.
Never had this issue.
Try disabling iMessage, restarting the device and enabling iMessage.