why frp unlock important from repair imei and patch cert?

why? 😡
all of box and dongle service doing only frp reset
where is mr blang with patch certs for repair imei?
this updates are joke!
we can get combination files from google or pay little money for get them.
please mr blung show yourself for repair imei and patch cert for exynus models
we dont ask for qualqomm models(its impossible, we know)