Okay i found the way to failbreak the iphone 3gs 16gb Mc model,
this is the setups i did and its working for me on mac 10.6 need jailbreak iphone saved ssh with saurik server
Download and install the latest itune, and also the iphone 3gs 4isos,
DO a simple restore with the itune and update the firemware to 4.0
now get ur snowbreez modified ipsw 4.0
click restore by holding shift key and put the modified ipsw and click restore .
and let the isos 4 to be install.
after u install open the cydia and update
thats all
:-) i didnt had any problem at all using isos4 on iphone 3gs new model

Okay i found the way to failbreak the iphone 3gs 16gb Mc model,
this is the setups i did and its working for me on mac 10.6 need jailbreak iphone saved ssh with saurik server
Download and install the latest itune, and also the iphone 3gs 4isos,
DO a simple restore with the itune and update the firemware to 4.0
now get ur snowbreez modified ipsw 4.0
click restore by holding shift key and put the modified ipsw and click restore .
and let the isos 4 to be install.
after u install open the cydia and update
thats all
:-) i didnt had any problem at all using isos4 on iphone 3gs new model

Okay i found the way to failbreak the iphone 3gs 16gb Mc model,
this is the setups i did and its working for me on mac 10.6 need jailbreak iphone saved ssh with saurik server
Download and install the latest itune, and also the iphone 3gs 4isos,
DO a simple restore with the itune and update the firemware to 4.0
now get ur snowbreez modified ipsw 4.0
click restore by holding shift key and put the modified ipsw and click restore .
and let the isos 4 to be install.
after u install open the cydia and update
thats all
:-) i didnt had any problem at all using isos4 on iphone 3gs new model

Okay i found the way to failbreak the iphone 3gs 16gb Mc model,
this is the setups i did and its working for me on mac 10.6 need jailbreak iphone saved ssh with saurik server
Download and install the latest itune, and also the iphone 3gs 4isos,
DO a simple restore with the itune and update the firemware to 4.0
now get ur snowbreez modified ipsw 4.0
click restore by holding shift key and put the modified ipsw and click restore .
and let the isos 4 to be install.
after u install open the cydia and update
thats all
:-) i didnt had any problem at all using isos4 on iphone 3gs new model