Downgrade iOS 4 to 3.1.3 on any Device :)

[AhmedOmarz]

Now, after upgrading to the newly release firmware by Apple iOS 4 You got some bugs and some errors, A lot of users asked me this question "How to Downgrade iOS 4 to 3.1.3" So Answering my readers, this guide will help you to Downgrade iOS 4 to iPhone 3.1.3 or 3.1.2

Steps:
Step 1: Download iPhone 3.1.3 / iPhone 3.1.2 Original Firmwares from Here.
Step 2: Put your Device in DFU Mode by following the guide posted here.
Step 3: This step is for iPhone 3GS, iPod touch 3G and iPod touch 2G (MC model) Owners who saved SHSH on Cydia for the Firmware you downgraded to, If you are on iPhone 3G or iPod Touch 2G then Skip this step.

• Locate "C:\Windows\System32\drivers\etc\" for Windows and "/etc/" directory for Mac, then locate “hosts” file andOpen it in Notepad (for Windows) or TextEdit (for Mac OS X) and add this at the bottom of the file.

74.208.105.171 gs.apple.com
At last it will be like that, then save it

Step 4: Now, You will have to restore your iPhone or iPod Touch to the firmware you have downloaded by Clicking on iPhone icon that appears in the left sidebar of iTunes then hold left “alt” button (“Shift” button on Windows) on the keyboard and then click on “Restore” then release the alt button, Now Select the firmware you have downloade din Step 1 and Let iTunes do some automated Steps. (Note: If you got some error, Just ignore it)
Step 5: You will need to Exit Recovery Mode, So Download RecBoot (Windows / Mac) and Click on "Exit Recovery Mode" and your Device will restart automatically.

Congratulations Cheer, you now have your Device on 3.1.3 or 3.1.2, Now you will be able to Jailbreak your iPhone 3GS / 3G and iPod Touch 3G / 2G using Spirit by following the guide posted here.

[fatjuels]

Originally Posted by AhmedOmarz

Now, after upgrading to the newly release firmware by Apple iOS 4 You got some bugs and some errors, A lot of users asked me this question "How to Downgrade iOS 4 to 3.1.3" So Answering my readers, this guide will help you to Downgrade iOS 4 to iPhone 3.1.3 or 3.1.2

Steps:
Step 1: Download iPhone 3.1.3 / iPhone 3.1.2 Original Firmwares from Here.
Step 2: Put your Device in DFU Mode by following the guide posted here.
Step 3: This step is for iPhone 3GS, iPod touch 3G and iPod touch 2G (MC model) Owners who saved SHSH on Cydia for the Firmware you downgraded to, If you are on iPhone 3G or iPod Touch 2G then Skip this step.

• Locate "C:\Windows\System32\drivers\etc\" for Windows and "/etc/" directory for Mac, then locate “hosts” file andOpen it in Notepad (for Windows) or TextEdit (for Mac OS X) and add this at the bottom of the file.

74.208.105.171 gs.apple.com
At last it will be like that, then save it

Step 4: Now, You will have to restore your iPhone or iPod Touch to the firmware you have downloaded by Clicking on iPhone icon that appears in the left sidebar of iTunes then hold left “alt” button (“Shift” button on Windows) on the keyboard and then click on “Restore” then release the alt button, Now Select the firmware you have downloade din Step 1 and Let iTunes do some automated Steps. (Note: If you got some error, Just ignore it)
Step 5: You will need to Exit Recovery Mode, So Download RecBoot (Windows / Mac) and Click on "Exit Recovery Mode" and your Device will restart automatically.

Congratulations Cheer, you now have your Device on 3.1.3 or 3.1.2, Now you will be able to Jailbreak your iPhone 3GS / 3G and iPod Touch 3G / 2G using Spirit by following the guide posted here.

i have a 3gs 4.0 now, its a new bootrom, can this procedure can jailbreak jy 3gs new bootrom?

[destinyhammed]

what about if i have not save my shs on cydia before upgrade to ios4 and i want to downgrade to 3.1.3 or 3.1.2 using window is there any wayout pls

[margallo]

thank you very much.im testing this now...

[AhmedOmarz]

Originally Posted by fatjuels

i have a 3gs 4.0 now, its a new bootrom, can this procedure can jailbreak jy 3gs new bootrom?

Dude, you can downgrade then jailbreak but on 3.1.3 on iOS 4

[AhmedOmarz]

Originally Posted by destinyhammed

what about if i have not save my shs on cydia before upgrade to ios4 and i want to downgrade to 3.1.3 or 3.1.2 using window is there any wayout pls

If you got iPhone 3GS, iPod touch 3G and iPod touch 2G (MC model) then you have to be SAVED SHSH
If you got iPhone 3G, iPod Toch 2G (Non-MC) then you can use this guide by skipping Step 3

[_richy_]

already posted here >>Full Guide : Downgrade iOS 4 iPhone 3GS, 3G and iPod touch to 3.1.3 / 3.1.2 Video

[margallo]

tested on me..iphone 3gs downgrade from 4.0 to 3.1.3..thank you

[amar181]

wOWWW Great thankx this method work for my 3gs... Thankx again,,,,,,,,,,,,

[fatjuels]

Originally Posted by AhmedOmarz

Dude, you can downgrade then jailbreak but on 3.1.3 on iOS 4

dude, did you already test 3gs 4.0 with new bootrom to downgrade to 3.1.3?
if u have 3gs 4.0 OLD BOOTROM u can downgrade it, But if u have new bootrom u can't downgrade it..

[mohit_kripalu01]

Downgrade Done for new boot but run spirit error


see image

[javed 555]

great work its 100% working tested

[master_t2]

Originally Posted by mohit_kripalu01

Downgrade Done for new boot but run spirit error


see image

me too .......same problem...............

[javed 555]

Originally Posted by mohit_kripalu01

Downgrade Done for new boot but run spirit error


see image

activat with carrire sim first then use spirit

[Man_LT]

mohit how do you downgraded couse i try to downgrade itunes shows me error device not eligible, and youre solution will be to activate youre iphone through itunes then using spirit to jailbreak.