Unable to connect Chamberlain garage door opener via 5g internet

ShivasIrons wrote:

Working through multi vendor solution to enable MyQ app to successfully connect to Tmobile home internet.  After long trouble shooting with Tmobile and Chamberlain, determined port 8883 is closed and the myq server connection requires an open 8883 port.  Neither vendor is being responsive with a solution.  

So, How did you solve the issue? or not?  I have the same issue.