help for samsung i607

[shobaky]

help me plz i make Upgrade for samsung blackjack i607 but by softwear i600 and my phone dont work any more when i turn on my phone it said phone off and when i try to turn my network on it dont turn on and when i try to concted my phone with my pc my pc give me erorr msg said uknowport i try to many way to make Upgrade for softwaer i607 again to make my phone work but i can't becuz i dont have coneted between my pc and my mobile any body here can helo me with this
thank u