Sorry, I thought I made that clear... I have the Sim card, phone#, plan and unlimited messaging organized, the messages come through with simple messaging app, but I can only read messages, not reply or originate them. The messages show up top left notification, I can tap on it and read, but choice is only done, not reply or anything, and then it disappears.
The android phones have the full messaging app with the green square smiley face, and the tablets my provider sells have it installed too, but its missing with the nexus7.
I haven't had any luck finding the app on line.
Again, really appreciate any insight, and pointers.