Just confirmed this theory on mako running vivid-devel image #155 by modifying my ATT Phone APN and adding a 'Username'. No more mobile data connection, and I get the same error pointed out by Alfosno in comment #6.
Just confirmed this theory on mako running vivid-devel image #155 by modifying my ATT Phone APN and adding a 'Username'. No more mobile data connection, and I get the same error pointed out by Alfosno in comment #6.