i would love to win the 2 pack system. It will ensure that my entire home is well covered by a wifi 6 mesh network. This will allow me to setup my home as a smart home.
There is no need to use a third party to get it unlocked. You phone or email AT&T directly. They will most probably request proof of purchase. You then wait a few days and it will be sorted.
I have a similar issue. Have you managed to sort it out?
I go to Settings->General->Network->Cellular Data Network->
However once I get there there is no MMS APN nor can I add one
iphone software version 4.2.1 8C148
Carrier version: MTN 9.1