ipad baseband and cydia jailbroke 4.3.5

] for iPhone 3GS.
3. Download redsn0w 0.9.8rc18 for [Only registered and activated users can see links. ] or [Only registered and activated users can see links. ].
4. Download latest version of TinyUmbrella from [Only registered and activated users can see links. ].
5. Launch iTunes, connect your iPhone, hold down the SHIFT key while you click the RESTORE button in iTunes and select the 4.1 firmware file you have just downloaded.
6. The restore will end with error 1015 and recovery loop on the iPhone, this can be resolved using the “Exit Recovery” button in TinyUmbrella.
7. Start redsn0w 0.9.6rc18.
8. Browse for the iOS 4.1 firmware you just downloaded.
9. Select ‘Install Cydia’ and ‘Install iPad Baseband’. Warning: installing iPad baseband will break your GPS.
10. Follow on screen instructions to put your device into DFU mode to begin jailbreak.
11. When the process is done, you will find that your iPhone is now jailbroken on iOS 4.1 with iPad baseband 6.15.00.

12. Launch Cydia from Springboard (home menu)
13. Search for ultrasn0w on Packages in Cydia. If you cannot find it, add new sources by typing ultrasn0w repo: repo666.ultrasn0w.com (with zero, not o).
14. Install Ultrasnow 1.2.3.
15. Reboot your iPhone.
To make sure you can always go back to iOS 4.1, launch Cydia and select ‘Make my life easier.’