So i Have h900 (At&t) unlocked Marshmallow 6.0 (non root) phone. Service provider Metro (now Metro by T-mobile sim). If I were to flash the ROM to Nougat 7.0 provided by T-mobile (stock H90130d_00_0611.kdz), for the h901 variant, would that brick my phone? Curious since h900 cant go past mm 6.0...