Are you saying nexus 4 has uma/wifi calling?
This is not how the new rules work. I understand how you're thinking about this, but even though carriers have switched over to a fair ECF policy, the remaining device balance would be your ECF. So,...
Boz, the flex cards should be available by the end of next week.
Thank you, zeen, for the kind words.
AT&T never said "3x maximum data package". They explicitly say "3GB max".
ST AT&T sims definitely has roaming outside the AT&T areas. I use it when I travel. There is no data though.