I think I had a problem with it last week. The factory battery app would show Screen using the most with Google play services right behind. It was...
Something was draining my battery 10%/hr last week except when I was home. This week it's 1-2%/hr on standby.
Apparently it's a problem with the app. They have a notice about it and are working to fix it.
I just noticed the same thing with weather bug. The RadarNow app works just fine though.
I'm on T-mobile and HSPA is usually way faster than what Metro throttles LTE too. Have you done a speed test?
I did the same thing.:D
I would just try the sim from the other phone, update the PRL see what you get. Also I just ordered a new sim from T Mobile's sight for free in...