IMessage Activation Problem
I have problem to Activate one of my numbers in IMessage and get error during activation then I chat with apple support and they call me and gave me best support then they suggest to change the sim card and I did and Every thing is fine now
so if you do all the things they said like restart phone - network check - network reset and nothing happen CHANGE SIM CARD mine working now and I'm happy.
iPhone 13 Pro Max, iOS 16