The APN settings I needed to get Ting LTE working on both CM12 and CM13 were nearly the same, except for a numeric IP for the MMS Proxy field. Those got LTE working, but not MMS. In the end, Textra turned out to be the workaround, since its MMSC settings can be manually configured, and now MMS works both over WiFi and mobile data. Oddly, Textra automatically took the defaults for the manual settings from the APN, which were already correct and needed no further modification, so it's puzzling that Textra (and the CM13 Messaging app) didn't just work.
Cyanogenmod 12.1 on Moto E Gen2 - Group message, MMS possible solution and fix!
I am using Cyanogenmod 12.1 on a Moto E Gen2 CDMA phone.
I could not receive photo messages or group messages (MMS)
Ting support told me that CDMA phones do not need APN.
Problem is whenever I dial a code into my phone, nothing happens, there is no prompt.
From here I added these APN settings:
MMS Proxy= not set
APN roaming protocol=IPv4/IPv6
Conclusion: Even thought I was told CDMA phones do not need APN settings, I think the key here was that I was able to set correctly set the MSSC URL which I used http://mms.plspictures.com
Results: When I send pictures or group messages they take a little time to send but they do in fact send and I can receive them as well. It was better than what was happening before which was just getting a message that there is a message waiting for me that I could never see or download.
Something to keep in mind is that I have only done this test while connected to a wifi network. I am also using the app Signal to send and receive these messages.
Good luck and I hope this works for you.
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