iPod, iPhone, iPad Jailbreak and Downgrade from IOS 4 to 3.1.3
This is a tutorial on how to downgrade your iPhone, or iPod Touch to 3.1.3.
Step 1: Connect to Computer, and turn iPhone/iTouch power off.
Step 2: Hold both Home+Power buttons for about 10 seconds, then release the Power button but continue holding the Home button until your computer recognizes it.
Step 3: (MAC users) Hold the Option button and click Restore. Then locate the 3.1.3 firmware you downloaded. (WIN users) Hold Shift and click Restore. Then locate the 3.1.3 firmware you downloaded. Let it restore your iPhone or iTouch to 3.1.3 or lower, which may take up to 10-15 minutes. When completed you should get an error message.
Step 4: Use the program you can download below, and click Exit Recovery Mode.
Step 5: Let your iPhone or iTouch activate in iTunes, then if needed, Restore from old backups.
Firmware Download: http://www.felixbruns.de/iPod/firmware/
Once you do this and you have 3.1.3 on your ipod, iphone, ipad Open spirit and let it do its thing after it gets done you then should have Cydia on there there will be 2 things you need to get after all that is done 1, hackulo.us 2,Installous
If you want to get free apps for the iPhone or iPod Touch, you must first have your iPhone or iPod Touch jailbroken. After that, simply get on Cydia and add the Hackulous repository;
Cydia -> Manage -> Sources -> Edit -> Add
Enter the link “http://cydia.hackulo.us” like the picture below.
After adding the source for the Hackulous repository to cydia, the next step is to download the Installous app for the iPhone or iPod Touch. The Installous app will be your source for apps.
Cydia -> manage -> Packages
From there whether you want to perform a search function or just scroll down and find it, you will have to install the Installous app. The Installous app will be like an alternative to the iPhone app store.
Once the Installous app is on your springboard, you can use it to find the many apps that are available for the iPhone and iPod Touch. The app will often redirect you to hosting sites via the browser but from there just simply select a mirror and you should be able to enjoy the apps free.
I get the error this ipod is not eligible for this kind of build
Please help i have the 3.1.2 firmware and when i hold option and click restore when my device is being recognized by the computer by holding all the buttons and stuff apple doesnt let me downgrade.