Hello im trying to intall a os on a 9500 but everytime i got to install it the screen goes black and the light starts flashing. I have wiped the phone clean.

How did you wipe the phone? What did you clean it with?

i used bbsak

i used bbsak m8

Give these two a shot.

How do I wipe the BlackBerry using Jl Cmder? - BlackBerryFAQ
What to do next if Jl Cmder will not connect and wipe - BlackBerryFAQ

cheers m8 will give them a try now. will get back with the results.

na still nothing m8. ive wiped it using jl cmder. i can get it to read the phone and pin all the way up to summary bit where it tells you what will be installed then as soon as i press finish for it to install the screen turns off and i get flash pause flash flash flash flash from the light. any ideas or is the phone totally nacked.

have found something but it don't look good for the phone. the led flash code 10111 says try replacing the flash memory.