Successfully downgraded iphone 3gs without shsh blob(tested sulotion)

downgraded iphone 3gs 4.3.5 to 4.2.1 and 4.3.3...without shsh blob...let me explain exactly what i did....

1. Get the Latest Redsnow

2. Get the latest Tinyumbrella

3. Put your iphone in DFU Mode.

4. Then open "Redsnow" and put your phone in "Pwned DFU" mode

5. After that open "Tinyumbrella" and choose the button "Start TSS Server"

6. Now restore your phone with any version of custom Firmware (4.2.1 and 4.3.3 Tested and working)

7. But you can see the result blackscreen and itunes will say to Restore again

8. Now just open "Redsnow" again and try jailbreaking... then choose "Install Cydia" wait until finishing the jailbreak.

9 After that you can see you phone will work perfectly without any problem...