Well if you don't answer my questions I can't help you...i need to run RUU. my wife broke the screen on her s7 edge & it's $350 for a new screen. i fixed my one m8 for her, but the charging port crapped out. i know i need to run RUU on the 4G LTE or it won't accept Sprint's provisioning with the new number once i activate it.
You run the RUU.exe from a PC, and you can get the rom.zip files using the procedure I previously stated. That will allow you to update the device.
Link me to the file that you're trying to use. You're doing something wrong, and/or not accurately describing the problem. Some screenshots might help, if you have any, of what you're seeing when you run the RUU.
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