440      iPhone_iPad_Mac_apple

iMessage an error occurred during activation tr...

on my Mac.  The credentials are correct.  There appears to be no option to correct the problem.

If you get an error when trying to activate iMessage or FaceTime - Apple Support

If you get an error when trying to activate iMessage or FaceTime - Apple Support

最後更新：2017-09-05 01:53:37

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