SOFTWARE FULL VERSION 2013

1. iOS 6.x IPSW & 6.0 IPSW
2. Snowbreeze latest version
3. iTunes 11
4. Redsn0w 0.9.15b3
5. Local SHSH blobs for your iOS 6.1.2

Supported device

1. iPhone 4 and 3GS
2. iPod Touch 4G 

Note: As of this writing untethered jailbreak is not working on iOS 6.x if you downgraded from iOS 6.1.3 to 6.x

Procedures

1. Run Snowbreeze. Click on okay at the first prompt and then click the blue arrow at the right bottom of the window
2. Click on Browse for an IPSW. A menu will pop up, select iOS 6.x you have downloaded
3. Snowbreeze will identify your IPSW. click the blue forward arrow again
4. Select iFaith mode and then browse the shsh. folder to select the SHSH for your IPSW
5. Once selected, Snowbreeze will further accept it and then click on Build IPSW
   
   
   
     
   
6. Snowbreeze will build a new IPSW and it will be on the Desktop.
7. Click Ok and Put your device in DFU mode and then launch iTunes
8. When iTunes is launched, it will see a device that needs to be restores. Hold Shift on your computer and click Restore.
9. Select the new IPSW that snowbreeze built for you and iTunes will restore to that IPSW
10. Once Completed, phone may not boot up. Launch Redsn0w in administrator mode
11. Click Extras, the select IPSW. Select IPSW 6.0 and then go back
12. Click Just boot, put device in DFU mode again. Once in DFU mode, Redsn0w will begin the process tethered jailbreak. Check Install Cydia if presented with the menu and then Redsn0w will continue with its works. device will boot up
13. Once completed you will be in iOS 6.x jailbroken. Go to Cydia and then download the Evasi0n untethered package.

Although converting to untethered  with Cydia untethered packcage doesn't seem to work, you can give it a try.
 
I hope this helps someone achieve that downgrade and untethered jailbreak on iOS 6.1.2. Feel free to drop your comments if you encounter problems in the process and I will help resolve it.

As we eagerly wait for the Evasi0n jailbreak tool which is 97% complete to be released by the Evad3rs team, iH8sn0w has launched iFaith v1.5.1 with important updates today.
For those that don't know what iFaith does, iFaith is an application that helps you save all the SHSH blobs of your device iOS at any moment in time so that you will be able to restore or downgrade your OS to an earlier version that Apple is no longer signing just like what TinyUmbrella does for you.

Evasi0n

Although, TinyUmbrella fetches the SHSH blobs from Apple's server, iFaith extracts the SHSH blobs directly from your device.
iFaith has other features much like Redsn0w, in fact, its a combination of TinyUmbrella and Redsn0w but without the option to jailbreak and do some Redsn0w stuffs.

iFaith 1.5.1

iFaith 1.5.1 comes packed in with important bug fixes and performance upgrades. and also include support for new firmwares.

A small list of the major improvements amongst other improvements include:

• Major code improvements
• Crazy payload rewrite
• Fetch beta blobs when new betas are pushed out
• Ability to dump iOS 5.1.x/6.1 on the iPhone 3GS, iPod Touch 3 and A4 devices
• 3.x.x IPSW creation for iPod touch 2G users

 iFaith v1.5.1 is available for download here
Evasi0n tool will be available here for download

Alternatives Apps To Take Installous' Place
It's being weeks now since Puy0 dropped the bombshell that his team is shutting down Hackulous and stopping support for the popular Installous app on most jailbroken idevices.
While this is a good thing for some folks like app developers and Apple but it's not good for those that like to test out apps before purchasing. Also, some people that like cracked apps will also feel the jolt of not having Installous anymore.

iOS6.1 untethered jailbreak on iPhones iPods and iPads have been achieved with the help of the Evasi0n tool, the need for installation of cracked apps and Cydia apps have increased more than ever. Although, Installous in no more, there are a couple of alternatives out there that will fill the space that Installous left behind.
These alternatives are stated below.
It should be noted that this is note to encourage piracy and the use of cracked applications but for educational purposes and also for the majority of people that would want to test out an app before going to spend their dollars in purchasing an app that might turn out shitty or great.

For you to have these alternative Installous apps, you are required to jailbreak your device (iPhone 4S, 4, 3GS, iPod and iPad on iOS 4.x or higher).
The following are alternatives to Installous that can be installed to your device.

• Appcake

• Vshare

• HIPStore

• IPAstore

To install Appcake:
Open Cydia > Manage > sources. Select Edit and then Add. Next enter the repo cydia.iphonecake.com. Click on Add Source. Cydia will proceed to downloading the archives. Once downloaded, open the downloaded repo and you can download AppCake+.

For vShare, all you need to do is add the repo http://repo.appvv.com and then you can download vShare to your device

Alternatively, you can also download apps from websites like www.pandaapp.com, torrents sites etc and then transfer into your device using iFunbox, iTools etc and then install on your device.
Provided you have AppSync for your device OS version installed, the downloaded apps will work well.

Immediately you test out the installed app and feel satisfied with the product, you can then delete and purchase the original version from App Store or Cydia.

Well, I hope you enjoy these alternative apps to Installous

1. 5 minutes of your time
2. A computer running Windows XP or above, Mac OS X (10.5 minimum) or Linux (x86 / x86_64)
3. An iPhone, iPod or iPad running iOS 6.0 through to 6.1
4. A USB cable to connect your device to the computer

Image source: Redmondpie

One of the most anticipated tool is that tool that is supposed to jailbreak the iOS 6.1 untethered on all Apple devices.
Contrary to the popular ones we have always had from Chronic Dev-team, this one is coming from the Evad3rs team and the name of the tool is Evasi0n which will be released on Sunday.

However, people could be easily fooled with fake jailbreak tools that promises to jailbreak all iDevices on iOS 6.1 untethered. these fake tools are listed below and you are advised NOT to use them or PAY for any of them as they can render your device unusable or install spyware into your device.
Most importantly, wait patiently for the legitimate jailbreak tool. It is usually free and very stable and legit.

Fake Jailbreak Tools
1. Gull1hack & Blacksn0w V2
These tools by the Gull1hack team have been declared fake by the iPhone Dev-team. The tools was supposedly to jailbreak iPhone and iPod touch devices on the new bootrom untethered.

2. FastRa1n0.5
This particular one says it can jailbreak iOS 5 and later untethered and even charge a whooping $24.99 for it. As far confirmation goes, @comex have said that it is fake and does not work. Consequently, it is fake. Stay away from it.

3. Ghost App
This is yet another jailbreaking tool that promises to jailbreak untethered iOS 5 on all iPhone 3G/3GS/4/4S for $24.99 also. It doesn't even have a demo to try out its functions.
Just like FastRa1n0.5 above, it's not legit, its a fake. Stay away from it

4. Jailbreak
This is got me laughing. It is sold for $9.99 and does nothing. It even featured in the Apple app store at a time ( still wondering how Apple allowed a jailbreak tool in the store anyway). Anyways, it was removed from the store when Apple and Dev-Team found out it was a fake tool.

Unlock iPhone 4S
This tool claim to unlock iPhone 4S on any baseband and also jailbreak untethered. On their website, declaration was made that refund will be made if jailbreak and unlock was unsuccessful. However, no real testimony that it has worked.
The best way to confirm a tool is working is to go to various fora. Here you will hear people are saying about a particular app

THESE ARE LEGITIMATE JAILBREAKING TOOLS
These tools below don't need introduction as they are the most popular legitimate free jailbreaking tool available.

1. Redsn0w
2. Absinthe
3. Sn0wbreeze
4. Evasi0n (particularly for iOS 6.1)

Evasi0n is the most recent of them all which will be released on Sunday 3rd of Feb. 2013 for public download. Created by the evad3rs team (pimskes, pod2j, musclenerd etc).

If you want more news for evasi0n click here
mind you, http://evasi0ndownload.blogspot.com/# seem to be a copy of the original webpage. Don't download from it. The font used and a declaration of a download looks fishy.

Its being like a million years just waiting for the announcement that an untethered jailbreak would be available for all devices.
If not for the delay tactics and games that Apple have been playing in the release of the iOS6.1 officially, there would have been a public release of the tool to jailbreak iOS6.1 untethered on all devices.

Apple on Sunday last week released a copy of iOS6.1 but not publicly even though it carries the look and build of the final version the OS. Perhaps, this was done in the hope that the exploit needed for the untethered jailbreak will leak out and then Apple can patch those exploits.
Well, the Evad3rs team (Pimskeks, Pod2g and Musclenerd) are not foolish as to fall for that kind of trick Apple is trying to pull.

According to the team, iOS6.1 appears to be vulnerable to the exploits they are planning on using to jailbreak untethered all iDevices on iOS6.1.
Also, there is also a hint from Musclenerd that this tool could be released on the Sunday, which is the day for Super Bowl.

Provided, all go as planned, then we should be seeing a tool released by the Evad3rs team capable of jailbreaking iPhone 5 and all other devices running the iOS6.1 software.

Till, then stay alert and don't just update your device carelessly so that you don't end up with bricked device.