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Macnificant

macrumors 6502a
Original poster
Feb 26, 2008
579
114
I keep getting "server cannot be found" and not able to send iMessages while using data.
I have no problem while connecting to wifi.
 
Try signing out and into iMessage again.

If all else fails, roll back to 8.4, I suppose. The risks of using a beta.
 
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