My Exhibit 2 is buggin out

[Steve Costa]

Ok well very often out of no where,my back button goes out and takes away to start workin again or I have to restart my phone and once awhile it bugs out like apps open up work out me touching anything drop down goes crazy it freezes idk need help

 

[tube517]

root your phone. This is a single core phone so it's limited w/stock rom and with all the tmobile and samsung bloat.