I made an account just to post this:
My droid maxx is working perfect on family mobile. I get 4g lte, hspa, hspa+, edge or whatever tmobiles 2.5g is, g and 3g.
(Full 4g got me 27mps down and 6 up)
I tried forcing the mobile network option to LTE/gsm/utms but found that simply keeping it...