How To Downgrade iPhone 3G From iOS 4 To iPhone OS 3.1.3
Comments
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If you have downgraded to iPhone OS 3.1.3 then use Spirit jailbreak, its a lot easier:
http://www.iphonehacks.com/2010/05/how-to-jailbreak-iphone-ipod-touch-using-spirit-iphone-os-3-1-3-iphone-os-3-1-2-mac.html -
but using Spirit you must have ...
"An activated device: one not stuck on the Connect to iTunes or Emergency Call screen."
.. mine is now stuck on on that screen :(
SPirit gives an error message
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try installing itunes 9.1
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tHANK YOU IT WORKED REALLY FEELING RELIF THANK YOU ALL........
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i am yet to try this process as I have one question. At the end of the process when asked to restore iphone (from previous back up ) how will I be able to restore from a 3.1.3. back up? will I be able to backtrack to this backup? if so, how?
Please explain in lame-man terms as this is all knew to me. I thank you in advance for any assistance. -
yep I have the same problem ...now stuck! cant jailbreak with redsn0w OR spirit!! eek!
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I made it all the way to RecBoot... When I lauch RecBoot and click the button to EXIT RECOVERY MODE nothing happens. I tried the batch program and it indicates No iPhone/iPod detected.
Any thoughts?
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It says the device can NOT be stuck on Connect to iTunes or Emergency Call screen. Well i am using my 3G in Poland so its not officially unlocked so i don't have a sim from AT&T.
So now what, are we screwed? I had this phone working on 3.1.3 before i upgraded to iOS4. I hate apple for all this crap they make us go through.
As for now i had to go back to iOS4 which works but its slow as hell.
Has anyone downgraded and jailbroke from 4.0 to 3.1.3 and had it work?
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I have the same problem - downgraded 3G from iOS4 to 3.1.3 - now cannot jailbreak with snowbreeze, pwnage tool - doesnt recognise the IPSW file for some reason, and Spirit keeps giving an error.
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The beginning of the tutorial tells me to backup, but the end of the tutorial says "Please note that it is only possible to sync with a pre-4.0 backup"
So did I just lose everything? When I try to back up, I have two options. One from 8 months ago, and the one I did that is incompatible before I downgraded. I synced before upgrading to iOS4, but I don't see that as an option to select. Help!
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Worked Perfect ! Thank You !
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correct me if I'm wrong but don't you have to downgrade iTunes as well? (from 9.2)
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If RecBoot doesn't work on your computer (it didn't on mine), try using blackra1n instead and then go into Cydia and download ultrasn0w (redsn0w + ultrasn0w didn't worked either). It worked for me and a bunch of people at the swedish site iPhoneinfo.se.
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Btw, it would be great if you added this to the blog post so that people can find it easily; took me almost 12 hours to find the solution as every page recommended either Recboot or redsn0w!
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Woohoo!!! iOS 4 made my 3g a turtle! I couldn't believe how slow it made my phone. Can't believe I had to downgrade to get my phone back. This worked like a charm! Thank you!!!! I'm getting rid of it in 2 weeks for a Droid X and giving to a friend at work. Didn't want her to have a brick.
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If I do this and it is stuck in recovery mode, can I use redsn0w to reactivate?
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Thank you! You've saved my life!!!
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after i down the libusb-win32-device-bin-1.1.14.3, i can't find the libusb.exe to install it, can anyone help me pls!
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can anyone can make a video make to step by step for window user? Thanks a lot !
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I have windows 7 and I strictly followed the instrcutions but when I hit exit recovery mode the pop window says the program can't started because libusb0.dll is missing from your computer.
I tried to reinstall it but I got the same message.
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You should mention in the instructions that on the Mac side RecBoot only works on Intel machines.
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Not if they actually read the instructions above.
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I'm having one slight problem.
My iPhone isn't being detected by any computers ever since i updated to 4.0 and jail broke it. Does anyone have any ideas of what to do? -
worked very fine :-)
thanks -
Used this to downgrade both my and my wife's phones (both 3G). iOS4 brought them to a crawl, they wouldn't keep up with the most simple text typing. Now they are back to normal. Thanks!
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i tried on my ipod touch 3g OS 4.0 but it did not work..
itunes extracts the stuff and verifies with apple then boom!!!
the freakin ipod "ipod" cannot be restored device not eligible for the request build
Help me out please.... -
uninstall and you will be able to use your USBs again.
plug in a keyboard/mouse into port (non USB) and it should work to get you out of this dilema
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I was able to downgrade easily to 3.1.3 by following these instructions, but had a lot of problems with jailbreaking afterwards. Finally found this solution: download redsn0w 0.9.2 (do not use the latest version) and the 3G IPSW 3.1.2 (not 3.1.3). This allows you to jailbreak and not get the error of "Unable to recognize specified IPSW."
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did you need those SHSHs to downgrade/jailbreak?
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me too, i dunno where to find the RecBoot exe?
