Social Change In Mind Production

Prepare all the required software

Download Sn0wbreeze 2.0.2
Download iREB-4.0.x-4.1
Download iOS 4.1 official firmware
Download Itunes 10
Download Net framework 3.5

After all the software is complete, run the program sn0wbreeze

Choose OK

Choose Expert Mode

Browse to the file ios official 4.1 firmware

Wait for it to finish the process verified

If completed then there will be a description like in the picture, and proceed to the next stage for the manufacture of custom firmware

Starting this stage custom firmware will be made

Select the General tab, go to the next stage

There are 3 options to enable the background wallpaper, the battery percentage and multitasking, if you want to use, just checked

Just continue to the next stage

Proceed again to the next stage

There are two options custom boot logos, it is up to wear it or not, can also be replaced with other images (like photographs themselves are also allowed, let the more its exclusive iphone)

Directly select bulid ipsw, wait till complete then the custom firmware will appear on the desktop

Finished making a custom firmware with sn0wbreeze, then continued with the program iREB (requires Internet connection).

Run the program iREB and iphone must be connected to the computer, as a precaution so as not to fail, iphone held for the DFU.

Select the online mode

Select the iphone 3G, iphone hands and prepare to make the process of DFU

Follow the instructions for DFU process, by pressing the power + home button for 10 seconds, then release the power button while pressing the home button.
The process will run and the home button can be released, wait until finished.

Run iTunes and connect the iphone, iphone will be in DFU state, from iREB process before, push the shift + restore and select the Custom firmware 4.1 (remember it is not official firmware) on the desktop. Wait until the process to finish (the restore process takes a little longer, wait until completed, then the iPhone will reboot and start normally yourself)

After the restore is complete then the next stage is to unlock with ultrasn0w. Using the custom firmware 4.1 iPhone firmware 4.1 and we turn into baseband remained unchanged in 5:13:04, which means we can do the unlock with ultrasn0w in the baseband. To do unlock Internet connection required.

Go into cydia and go into the Manage - Source - Edit - Add