| Step 1. Download iOS 6 for iPhone 4.
Step 2. Open it via WinRAR.
Step 3. Go to folder where is downloaded firmware and delete .bbfw file.
Note: You can also extract to really be 100% sure the firmware file BBWF ending. Delete from the folder “firmware”. Then zipping off everything again. Make ipsw.
Step 4. Put your device into DFU mode (not Pwned DFU).
Step 5. Run iTunes and point it to iOS 6 with no BBFW file.
Step 6. If anything goes fine, you will end up with error 11.
Step 7. Open TinyUmbrella for iOS 6 and click on Exit Recovery.
Note: Also you will probably get error 1004. In this case you will have to use TinyUmbrella. Then click “Kick Device Out of Recovery”
Step 8. Download iOS 4.3.5 for iPhone 4 from getios.com.
Step 9. Point your hosts file to Saurik server, not Apple’s.
Step 10. Put your device into DFU mode and restore in iTunes to 4.3.5.
Step 11. You will end up with error 9, just Exit Recovery with TinyUmbrella, jailbreak and now you have 04.10.01 baseband.
Good luck bro |