| i know that man
i told just select ks360 or also kp500 if u want , turn on phone connect it to cable rj45 gs108 and click factory reset
i was in same probleme like you cause no hard reset with keys of phone (p920).
i made what i said and all is done very good . inshaa ellah
you dont loose any thing for test .
100% working .
wbr |