HOW TO JAILBREAK IOS 6 AND UNLOCK WITH ULTRASN0W FIXER

Recently, Apple released iOS6 to the public few days after iPhone 5 was released and many people have updated their devices to the latest version of iOS offered by Apple.
However, because a great number people like to have their phone jailbroken or unlocked to use on unsupported apps and sim cards. Consequently updating an apple iOS to the latest version is usually done with caution.
With kudos to the jailbreak dev team, life becomes less cumbersome. They have release an updated version of redsn0w that will allow for tethered jailbreak of the iOS6.
Below is the detailed procedure on how to jailbreak iOS6 on supported devices.

NOTE: This proceure is meant for only A4 devices or below (iPhone 4, iPhone 3GS and 4th generation iPod Touch)

NEEDED ITEMS

1. Supported Device
2. iOS6
3. Redsn0w 0.9.15b1
4. iTunes 10.7
5. Good functioning cables to connect your device to the computer
6. Back-up your apps

INSTRUCTIONS

1. Download iOS6 for your device from here http://www.idownloadblog.com/iphone-downloads/. I usually prefer to download the file to my pc and then update rather than updating from iTunes directly due to internet connectivity problems.
2. Download the latest version of iTunes if you don't have it already. iOS6 can only be used on iTunes 10.7
3. Download redsn0w 0.9.15b1 from the same link posted above. it is always very good to preserve baseband if you plan to use unsupported sim on your device.
4. Run Redsn0w in administrator mode for those on Windows and use Ctrl-click  on the Redsn0w icon and select open if you are using OS X Mountain Lion.
5. When redsn0w pops up, click on "Extras" and then click "Custom IPSW".  This will enable you to preserved your baseband. 
6. Select your downloaded iOS6 file and redsn0w will begin customizing your ipsw file. After Redsn0w is done, you will have another version of the iOS6 (NO_BB) that won't update the baseband of your device.
7. Now, go back and click on "Extras" again.
8. Plug in your phone to the computer and switch off. Now click on "Pwned DFU".
9. Follow Redsn0w's instructions to enter dfu mode and you will be fine. in DFU mode, your device screen should be black.
10. Close Redsn0w and open up iTunes. it will detect your device. for windows users, hold down shift while you click Restore. Select the new iOS6 (NO_BB) version  you created with Redsn0w. DO NOT SELECT THE ORIGINAL VERSION YOU DOWNLOADED EARLIER
11. iTunes will restore your device to iOS6 and your baseband will be preserved. Don't bother activating your device after update is completed. Move to the next step.
12. Next step is to jailbreak your device.
13. Close iTunes and run Redsn0w again. click on "Jailbreak"
14. Read the information on given by Redsn0w and follow the instructions to put your device on DFU mode again.
15. On successfully entering DFU mode, select Cydia and Resn0w will start jailbreaking your device. it is very important that you don not tamper or disconnect your device from the computer even if you think that redsn0w is unresponsive.
16. When done, select "Autoboot this device when it connects in DFU mode"
17. After a while, your device will boot and Cydia icon with appear on your home screen.

There it is, your device is jailbroken and running cydia.
This is a tethered jailbreak as at time of this writing. to boot your device whenever the device is switched off, you will have to connect it to Redsn0w again and  click Extras and then click Just boot.

For Those that will want to unlock their phones, Ultrasn0w fixer can help achieve this. However, it is only supported on the following basebands:

• 01.59.00
• 04.26.08
• 05.11.07
• 05.13.01
• 05.12.01
• 06.15.00

If your device have any of these basebands, then you are qualified for ultrasn0w fixer unlock ( software unlock)
Follow these steps to get  your device unlocked ( iPhone 4 and 3GS)
.

1. Open Cydia  and click on Manage, then Sources, Edit and then Add
2. add this link http://repo.iparelhos.com and then click on Add Source. Cydia will download and add sources.
3. After this, open the repo you just added and look for Ultrasn0w fixer for 6.0 utility.
4. Install, Cydia will handle the download.
5. Look for ultrasn0w and download it and you are done.
6. Now you can use your phone with any sim of your choice.  

Make sure Ultrasn0w fixer is first installed before you install Ultrasn0w as mentioned above. Don't jump steps!!

Hope this help gets you jailbroken and unlocked...If you found this guide useful, please drop comments and if you encounter any problems feel free to drop your comments too.

More guides will be provided so check back for future guides.