I found a good deal on a new Sprint iPhone 6 on Ebay, so I jumped on it. I already had an iPhone 5C, so the nano SIM card should've just transferred over. Stopped by one of the local Boost Mobile...
A friend sent this from Newark Liberty International (EWR). http://rootmetrics.com/en-US/rootscore/map/airport/newark-liberty-international-airport-ewr/2016/1H
Are you sure it's a genuine LG battery for $20?
Seconded, getting the billing texts turned off is probably more hassle then it's worth. Plus those account messages there for reassurance that your payment went through.