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How to downgrade iPhone 3.1.3 to 3.1.2 & Jailbreak
February 8, 2010,
5,155 views
If you would like to jailbreak your iphone, ipod or ipad up to 3.2 you should be using the new non-teathered jailbreak from spirit: http://spiritjb.com/
So I accidentally upgraded my iPhone to 3.1.3, bad news bears. I lost my jailbreak with no look of getting it back, especially on a newer bootrom. After playing around for hours on hours I finally locked it down to this workflow:
**Please Note** If you bought a new phone with 3.1.3 already loaded, or if you upgraded to 3.1.3 without storing your signature on saurik’s server via Cydia then your chances of getting a jail broken 3.1.2 is zero. Sit tight until a new jailbreak is out, which unfortunately doesn’t seem like it will be soon.
- Open up iTunes. It doesn’t matter what version it is. Then click on restore with shift (win) or alt (mac) held down. Select the firmware for 3.1.2. You can download the firmware you need over at http://www.felixbruns.de/iPod/firmware/
- Wait for that to go through. You will probably hit an error 1050, which is no problem. Download redsn0w version 0.9.4. There are plenty of links out there. Load up the 3.1.2 firmware in that and then let it do its magic. It will probably hit the part where you need to activate and what not. I let me phone activate and enter a standard 3.1.2 state. But no cydia or jailbreak tools
- Next i loaded up blackra1n and let it do its jailbreak. I had to do this twice to get in, so then i could install cydia.
For those of you experiencing issues with iTunes reporting back a failure of verification on the requested build, you will need to add a rule to your hosts file. You will need to add the entry: 74.208.105.171 gs.apple.com
Windows:
go to C:\Windows\System32\drivers\etc\ and use a text editor to open the file “hosts”
Mac:
open up Terminal.app an type sudo /Applications/TextEdit.app/Contents/MacOS/TextEdit /etc/hosts
Now I have my iPhone back onto 3.1.2 and i don’t think i am going to bother with jail-breaking the 3.1.3.
Posted by VoiDeT –
60 Comments
Guys.. newbie here… how do you exactly add this: “74.208.105.171 gs.apple.com” to the host file. I would really appreciate a screen shot. Thanks!!
What operating system are you on Knytfall? I will do up more detailed instructions for you in a few hours if you haven’t found out by then.
Thanks! here are the details..
Im on Win 7
i have a brand new iphone 3gs 32gig. I connected it to i tunes 9.1 and tried restoring to iphone 3.1.2. It keeps on saying its build is not eligible.
Sir, I think I have the same problem as BHB and two others. I was trying to look for your update post but can’t seem to find it…
Hey there. Recommend that you try giving spirit jail break a go. Just restore your phone to factory settings. Then run spirit jailbreak. Let me know how you got knytfall
Hey just wondering if you could help me out. a while back you helped me restore my iphone to 3.1.2 by adding a rule to your hosts file. Now i cannot access the itunes store, check software updates, or open safari (i am using firefox now). basically anything that is apple related. I am guessing because my macbook is still going to the cydia server instead of apples.? i pinged gs.apple.com and it came back 74.208.105.171. Can you tell me how to restore it back so i can acces the itunes store and update etc? Thanks
Hey no problem. Editing the hosts file should not of interfered with all your other apps. Maybe itunes with apps, but safari no chance. All we did with the hosts file was to tell the computer to route all traffic from gs.apple.com to 74.208.105.171. To undo this simply go back into your /etc/hosts file and remove the line 74.208.105.171 gs.apple.com
Let me know if you have any issues!
ok i did that and did a ping and its back to where it was but you were right that was not the problem, there must be an issue with my Macbook that will not allow me to access itune store, safari, update etc. but thank you for your help
Interesting. Does it just time out? You could always try flush your cache from the terminal. sudo dscacheutil -flushcache
I flushed it but still nothing. safari say “Safari can’t open the page “http://livepage.apple.com/” because the server where this page is located isn’t responding.”
and the itunes store times out and says to check my connection, and software update says “A networking error has occurred: timed out (-1001). Make sure you can connect to the Internet, then try again.” not sure what is going on i think its been like this for a little bit as i wouldn’t of noticed as i use firefox not safari.