You want to jailbreak/unlock your iPhone in 8 steps?

How to jailbreak iOS 6.1.2 using Evasi0n 1.4:

Step 1: Install the latest version of iTunes.

Step 2: Update your iPhone, iPod touch or iPad on iOS 6.1.2 via iTunes. You can download IOS 6.1.2 firmware from our download section.

Step 3: Download Evasi0n 1.4.

Step 4: Connect your device to your computer, open iTunes and backup your data. Make sure your Passcode Lock option is disabled, if not go to Settings -> General -> Passcode Lock -> Turn off password.

Step 5: Launch Evasi0n and click on the "Jailbreak" button. In this step evasi0n will make an injection and automatically reboot the device.

Step 6: When evasi0n will show the message "To continue, please unlock your device and tap the new 'Jailbreak' icon", unlock your device, and look for a new icon named as "Jailbreak". Tap the icon just once.

Step 7: The Jailbreak process continues to work in background. When you see the message Done! You can close the application. Now your iPhone, iPod or iPad will be rebooted.

Step 8: In this final step, your device will reboot again and after rebooting your device is jailbroken.

//http://www.unlockboot.com/2013/02/jailbreak-ios-6-1-2-using-evasi0n-1-4.html