although the detail is just not all OEMs are so generous, and if your smartphone falls to the latter category, then you'll have to flash the stock firmware by way of Fastboot instructions. The firmware Edition I made an effort to put on was: OPS-G960FXXS2BRJ6. I’m at present downloading Variation: XSA-G960FXXS2BRJ6 to see if that actually works?