While going through the process of migrating to the iPhone 5c, I got the error message: “iMessage Activation An error occurred during activation. Try again.”
I was also missing incoming iMessages that I could see coming into another device.
My situation is unique in that I am not recovering lost data or a corrupted iPhone. I backed up my old iPhone to iTunes on my computer, and then restored the iTunes Backup onto my new iPhone. There were also errors installing many of the Apps onto my phone. But if you’ve received this error while trying to restore your iPhone backup, this confirmed solution will work for you!Read More