Okay so its from our German Forumsection, and i'll show you how to Downgrade your iPhone 2G and 3G from 3.1 to 3.0 in a few Steps. Its working and its easy. 1. put your phone into DFU 2. Restore the 3.0 firmware.. you WILL get an error Code 1050 (thats normal dont worry) 3. After the restore "failed" and your ipod automaticly gets into Recovery Mode (Showing the itunes / usb logo) ; restore again the 3.0 Firmware (by pressing shift+click [ mac OS: ctrl + click] ) 4.After the Error Pops up again (1050) your phone is pysicaly on 3.0 but after apple new "Securitysystem" it will "block" the complete Restore. Now. Step 5 Put your phone into DFU again and Start redsn0w 0.8 Do a normal Jailbreak as you always would do. After Jailbreak your iphone will boot up on 3.0 and you can Restore your itunes saved Backup to your phone Please Register or Log in to view images Thats its. Youre now back on 3.0 Jailbreak version. Thanks for listening Please Register or Log in to view images Btw. the whole 3GS Downgrade is here Sauriks Tutorial to Downgrade the 3GS New Method 2 Posts down!