How to find iPhone Passcode without Restore using Gecko iPhone Toolkit
Sometimes you accidentally change your iPhone passcode or someone go through your phone and change it. You freak out and don't know what to do. Don't worry because there is a way to read your iPhone Passcode without restoring your iPhone or anything. You can find your iPhone Passcode back using Gecko iPhone Toolkit. This program will quickly provide you your device passcode if you forget it or someone change it.

iDevices: iPhone 3GS, iPhone 4, iPad 1, iPod Touch 3G, iPod touch 4G
Firmware: 4.0, 4.0.1, 4.0.2, 4.1 4.2.1 , 4.3 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 5.0, 5.0.1

How To Read iPhone Passcode Using Gecko iPhone Toolkit
Step 1: Download Gecko iPhone Toolkit at http://cc.cc/n28S (password: nguyen12blog)

How to find iPhone Passcode without Restore using Gecko iPhone Toolkit

Step 2: Connect your iDevice to the computer and launch Gecko iPhone Toolkit

Step 3: Choose your device model and press "Boot"

Step 4: Choose your original firmware, not the current one

Step 5: Quickly follow the instructions on the screen to put your device into DFU mode

Step 6: Once redsn0w has finished its process, click Launch.

Step 7: Just wait for Gecko iPhone Toolkit to read your passcode. It may take longer depend on your passcode. That's it! Now if you forget or lost your passcode again you can alway use this software to get it back. Gecko iPhone Toolkit also can help you with Reset "iPhone Disabled" and Fix Stuck on Apple logo after installing cydia tweak.