You need to get to the download mode, pull your battery, put it back in, press volume down, the home button, and power at the same time, hold it until the phone vibrates and the screen turns on, it will tell you to press over of two options, you want the dl mode option
Sent from my SM-N900P using Tapatalk
then i run the SM-N900P MJ4 Full Restore Unrooted (Compressed Archive).exe file from the post you gave me on my computer?
or on the phone?
sry for the noob questions. i never di this before and it's not nice to start something new when i'm pressed for time.