Official Website: http://bit.ly/16tlJUt
Step by Step Guide to ios 6.1.3 jailbreak:
Step 1:- Download the Apple Devices Jailbreak Tool Win / Mac / Linux
Step 2:- Install the Apple Devices Jailbreak Tool into your machine.
Step 3:- Launch the Apple Devices Jailbreak Tool And Not to forget to read the instructions for using Apple Devices Jailbreak Tool.
Step 4:- Select the Apple iDevice and Model from the drop down menu.
Step 5:- Select the iOS Version which you want to jailbreak on iOS 6.1.3 or iOS 7.
Step 6:- Click 'Run' Button and sit relax to see the magic of jailbreak Tool.After a few seconds,display a 'Complete' message. At this point,the jailbreak tool injection is complete -- just wait for your device to reboot automatically.
Once your device has finished rebooting,double-check that you have an active internet connection,then locate & press the 'Loader' icon on your device. This action will download the Cydia app and install it for you.When Cydia has been installed successfully,your device needs to (& will automatically) reboot one final time.
Step 7:- You're done! Enjoy