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Old Sep 18, 2010, 12:53 AM   #1
andyyfeng
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Downgrade from 4.1 to 4.0 (even if you don't have SHSH)

Hi, I'm new to the forum and I was helping my friend jailbreak her itouch. Her itouch is 2nd Gen MB model which started with 2.x.x firmware. I tried to make it 4.0 in the beginning and it failed, prompting me to restore. After the restore, the itouch became 4.1 firmware. In order to bring it down to 4.0 you need to first edit your host which is located under your C:\windows\system32\etc\hosts. You edit it by using Notepad. Once you open hosts, add the following onto the bottom (including # and hit TAB key once): 74.208.10.249 gs.apple.com. Once you have done that, put your itouch into recovery mode. To do so, you turn off your itouch without the USB plugged in. Hold on to the home button and plug in the USB, which will bring you to recovery mode. Now hit shift + click restore and select 4.0 firmware for itouch 2g. When everything is finished, connect to Wi-fi and go to jailbreakme.com and your all set.

link to firmware: http://www.felixbruns.de/iPod/firmware/

Note: I only did this once and I can't guarantee it to work. Try at your own risk. Hope I helped!
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Old Sep 18, 2010, 04:57 AM   #2
GoodBoy
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Thanks! I will definetely try this! Not sure if it's gonna work on my touch though. I have touch 3rd gen MC model as opposed to your friend's MB 2gen.

Thanks for the site too, but it's weird why they don't have 4.01 fo the iPod touch

update:
tried it, unfortunetly a message "error number 3194" popped up

Last edited by GoodBoy; Sep 18, 2010 at 06:00 AM.
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Old Sep 18, 2010, 09:46 AM   #3
andyyfeng
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Aw, I'm sorry to hear that. Did you edit your host? I can provide a visual look of how the host should be.
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Old Sep 18, 2010, 09:58 AM   #4
GoodBoy
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I did. Mine looks like that


I guess it's the matter of iPod models. I've read somewhere it's only possible to downgrade without saving SHSH blobs on MB models only. MC no can't do, that's what I've heared :/
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Old Sep 18, 2010, 10:01 AM   #5
andyyfeng
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Smile

Ah... I think I see the problem. Erase everything that has to do with apple. Then re-add looking like this on the bottom.

# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host

# 74.208.10.249 gs.apple.com


(that is only the bottom of my host)
Only have # 74.208.10.249 gs.apple.com once and have it underneath everything with the # symbol.
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Old Sep 18, 2010, 10:27 AM   #6
Abscissa
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This is old, just saying. I tried it awhile ago for something and it wouldn't work for me on windows or mac...
__________________
 MacBook 2.1ghz, 500gb HD, 4gb RAM
 32gb 4G iPod Touch 4.1 - Jailbroken - Emulator Slave
 GameCenter: Abscissa
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Old Sep 18, 2010, 11:42 AM   #7
Intell
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You do know that the 2G iPod Touches don't have the same kind of SHSH blobs as the 3Gs and iPod Touch 3G right? They have soft SHSH blobs which can easily be gotten around. And even then the soft SHSH blobs only exist of 4.0 and higher.
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Old Sep 23, 2010, 10:28 AM   #8
PsychosisNC
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This worked fine on my sons ipod touch 2G. Was able to go back to 4.0 and then jailbreak with jailbreakme 2.

The one thing you are incorrect on with the hosts file is the line you added. The # cannot go before the 74.208.10.249 gs.apple.com or it won't even use that line. The # comments out that line, thats why all of those above have #'s in front because they are just examples and other text.

Also when you add 74.208.10.249 gs.apple.com to the hosts file and save it you will have to shutdown itunes and restart it before it will work. Then you have to set your ipod up as a new one when it finishes restoring. You cannot restore a saved profile or you will go right back to 4.1.
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Old Sep 23, 2010, 03:59 PM   #9
snowscar
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U cant Jailbreak 4.02 directly using Jailbreakme.
There is a good tutorial to jailbreak ipod 4.02

TinyUmbrella works well to get your existing SHSH blobs onto Cydia then its easy to downgrade without any problem. It also solves the errors during downgrade

Read it and follow the step u will downgrade to 4.0 and jailbreak the iPod
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Old Sep 27, 2010, 06:43 PM   #10
Speczorz
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Quote:
Originally Posted by GoodBoy View Post
I did. Mine looks like that


I guess it's the matter of iPod models. I've read somewhere it's only possible to downgrade without saving SHSH blobs on MB models only. MC no can't do, that's what I've heared :/
Nothing like cracking photoshop.
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Old Feb 20, 2011, 09:53 PM   #11
masterskizal
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Quote:
Originally Posted by PsychosisNC View Post
This worked fine on my sons ipod touch 2G. Was able to go back to 4.0 and then jailbreak with jailbreakme 2.

The one thing you are incorrect on with the hosts file is the line you added. The # cannot go before the 74.208.10.249 gs.apple.com or it won't even use that line. The # comments out that line, thats why all of those above have #'s in front because they are just examples and other text.

Also when you add 74.208.10.249 gs.apple.com to the hosts file and save it you will have to shutdown itunes and restart it before it will work. Then you have to set your ipod up as a new one when it finishes restoring. You cannot restore a saved profile or you will go right back to 4.1.
.................................................................................................... ....
THANK YOU SOOOOOO MUCH!!!!! this jus made me so much happier like its unbelievable...UR AN IPOD GOD!!!!
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