[iffipower]

I FIX dead boot s5830 with riff box now its going on download ...but when i try to flash with odin v4.42 n v 4.28 its saying.....CHECK PLCATFORM VERIFICATION...n noting happen i used different files but stil same......now set when i try to switch on its on blue display but when i put on download mode its show download mode.... i dont knw what must i do ...so plz help me