BRICKED SKYBOX F5S

Hi guys and ladies i'm a month now trying to unbrick my skybox f5s i have bricked my sky box by installing a faulty TP.PROG file off the internet the skybox f5s turned off then would not turn back on it would not go over LOAD i have bought the null cables everything to unbrick it but i run into one problem when you open the file it will say how to unbrick the skybox it told me to turn it off but my skybox will not turn off by the remote and the remote is working perfect i need help quick because the big fight is coming up ... I would be very VERY very thankful please get back to me

(THE ONLY WAY OF TURNING MY SKYBOX F5S IS PLUGGING THE PLUG OUT)