How To Jailbreak iOS 6.1.3

Apple have released the next update of their iPad, iPod and iPhone operating system to version 6.1.3.
Earlier in the March when the betas were out, it was suggested that jailbreakers shouldn't upgrade to this version should it become live because it patches the exploits used by Evasion to achieve an untethered jailbreak on all iDevices running iOS 6.x.

A little definition will suffice. Tethered jailbreak means that when the device is powered off or run out of battery, one will need to connect the device to the computer to boot up again using Redsn0w
On the other hand, Untethered jailbreak means that if device is powered off or battery runs down, device will boot up normally without the need to plug into a computer nor boot up with Redsn0w

Well, finally, iOS 6.1.3 is out and some people would have failed to heed to warning not to upgrade their devices to the latest version if  they intend on keeping their untethered jailbreak achieved in iOS 6.1.2.

All hope isn't lost as some devices can still be jailbroken untethered on iPhone 3GS old bootrom and tethered on iPhone 4, iPhone 3GS new bootrom and iPod 4th generation.

Needed Items

1. Redsn0w 0.15b3
2. iPhone 3GS, 4G, or iPod 4th Gen
3. 6.1.3 IPSW
4. 6.0 IPSW
5. iTunes 11

Note: This applies to only pre-A5 devicesSTEPS

1. Download iTunes 11 if you don't already have it.
2. If you wish to preserve baseband, follow this link (step 4) for help
3. Download both 6.0 and 6.1.3 IPSW to your computer via here
4. Update device via iTunes.
5. Close iTunes and launch Redsn0w 0.15b3
6. Click Extras and Select IPSW, make sure iOS 6.0 IPSW is selected
7. Now go back and click on Jailbreak
8. Follow the instructions on the screen to enter DFU mode
9. When properly in DFU mode, Redsn0w will proceed and you will be asked to check some items, check to install Cydia in the options given to you
10. Once jailbreak is complete, device will reboot and you would be jailbroken tethered or untethered depending on your device

Please drop comments to let us know how it went with your device and problem you might encounter in the process.