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Jan 22, 2016 4:50 PM in response to seminolefansby seminolefans,Okay so after I changed APN settings the phone took a moment before going from 4G to LTE. The phone will send pics while not in LTE mode, but as soon as LTE is activated it won't send pics via text message anymore.
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Jan 29, 2016 6:32 AM in response to seminolefansby An Alias,seminolefans wrote:
Okay so after I changed APN settings the phone took a moment before going from 4G to LTE. The phone will send pics while not in LTE mode, but as soon as LTE is activated it won't send pics via text message anymore.
This was the clue I needed but from the other side. I leave "Settings -> Cellular -> Cellular Data" off unless I need it on the road and this must be enabled (see https://discussions.apple.com/thread/4338986 for more on this.) I made the incorrect assumption that iMessage did everything over IP through Apple's servers.
This seems like the kind of problem that could be explained in the text telling you the message wasn't sent