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Thread: Update from 3.1.2 to 4.0.1 ?
10-14-2010, 10:41 PM #1Update from 3.1.2 to 4.0.1 ?
Hello dear fellows.
I got a 3GS on 3.1.2 (was bought on this version), jailbroken with blackra1n and unlocked with ultrasn0w, and I wanna update to IOS4. As I use a unlock utility, I can't update to 4.1 just yet, so I would like to know if is it possible to go from 3.1.2 to 4.0.1 ? If so, how does one do it?
iTunes won't let me do it with restore/update with shift+click (I'm on Windows XP), so i'm kinda stuck as I have never used tinyumbrella or ever played with SHSH (barely know what they are).
Thanks in advance.
Have a nice day or night or afternoon or prevening or whatever it is where you currently live.
10-15-2010, 01:59 PM #2
You should have the shsh blogs since you were jailbroken awhile ago.
Make sure you have atleast Itunes 9.2
Run Notepad as Admin , open up hosts file and add this line :
save it and reboots your pc
Now do the Shift + Restore 4.0.1 ipsw
Do jailbreakme 2.0 from Safari on your iphone.
Unlock with Ultrasn0w
10-17-2010, 11:18 PM #3
I just installed itunes 9.2 and restarted
the computer wont recognize my iphone anymore.
I've had this happen once on my other computer, I belive it was also 9.2 and I did edit the hosts file, just not sure its the same ip you told me.
the phone just won't show up on windows or itunes, and it keeps doing the "connected/disconnected" sound, sometimes a different one thats a loop where the same sound is played 3 times very quickly, and its different from those.
on my other computer it did show up on windows at least, even when disconnected. it used to show up as my phone's name but with a weird icon, and just didn't work.
I don't remember what I did to fix that...
10-17-2010, 11:50 PM #4
10-18-2010, 01:52 AM #5
turns out the problem with recognition was caused by itunes 9.2 bug, updating it to 9.2.1 did the trick.
just doing the restore right now.
and thanks for the info on the snowbreeze, but I'm not gonna trust it just yet. I'll just wait for geohot/devteam to release theirs.
10-18-2010, 04:45 AM #6
I'm JB with snowbreeze on 4.1, it's working fine, but I'm stuck with the crappy snowflake on boot. I'll be changing to the pwnagetool version when it's released.
Rather than restoring to 4.0.1 you could have used the existing pwnagetool to go to 4.0 which is no different to 4.0.1 anyway (except for the way the signal bars are displayed).