Can't boot into Single user mode


already tried command+r, command+p+r, command+s, can. set firmware password before , forgot because didn't use long time, admin password. have 1 user no password can access. can u guys me it?
 

nobody here able this. need take mac apple proof of ownership , can remove firmware password you.
 


Forums Macs macOS macOS Sierra (10.12)


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