The way i did it...
first i was running on jailbroken 1.1.3 as an ipod touch...
i had to enter DFU so i could downgrade to 1.1.1 Correctly.
Then I jailbreaked it and install the app for uninstalling, it work as a charm, but only a problem, i was not gatting any signal, so then i thought it did not worked.
So i deicided to move on to 1.1.3 again and when i did i had a perfectly working iphone!!
thank you a lot
already donated 75$ to geohot