Originally Posted by PS4AndroidHacker
I'm wondering the same brother lol. Still trying to find the exact code that was typed in.
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Seems a little risky though, it says "Root by flash" whereas that could mean what I believe was done on an older version of the S4's firmware, where a temporary recovery was flashed in order to root. For the S5 and newer S4 firmware on AT&T and VZN, this would be impossible with the lockdown.