I read the windows tutorial posted in here by Imaso and I succsesfully downgraded, and jailbroke my 1.1.2 otb iphone, but whenever i get the to the step i have to execute applesaft.trb file in putty i get this:

# turbo-app /private/var/root/applesaft.trb
SRC /private/var/root/applesaft.trb
SIZE 2208
initializing modem
modem initiated
ERROR: Bad File

also my friend has a problem with his turbosim it keeps crashing and our country isn't in iWorld, anyone might now a solution for this as well? I love in the dominican republic area code 809, 829, and carrier is orange