Download evasi0n or redsn0w jailbreaking tools now from official pages and follow the Below Given Steps to Jailbreak iOS 6.1.2, 6.0 on any device which includes iPhone 5, iPhone 4s, iPhone 4, iPhone 3gs, iPad retina, iPad 2, iPad 3, iPod Touch 5g and iPod Touch 4g. The official untethered jailbreak is available via Evasi0n 5.1.3 which is released and maintained by evad3rs and currently only free working jailbreak.
Warning: If you are on iOS 6.1.2 or older versions we strongly recommend to keep yourself away from updating to iOS 7.0.3 because Apple has already patched the loopholes or exploits that were used to jailbreak 6.1.2. The evasi0n ios 7.0.3 jailbreak team has updated that they are ready to do the work and they are having all necessary pieces of bits which are required to be evaluated and tested on all available Apple devices including the Apple TV.
Update [16-Nov-2013]: The latest version of iOS 7.0.4 has been released and Musclenerd has confirmed that it is safe to upgrade to it because there is nothing to worry which would stop them to jailbreak iOS 7.0.4, lets wait and see the status of next iOS 7.0.4 jailbreak tool.
Don’t upgrade to iOS 7.1 or 7.0.4 because these might be released very soon.
How To Jailbreak 6.1.2- Tutorial
Download Evasi0n for Mac, Linux or Windows by “Clicking here”. Save the zip File, unzip and launch the evasi0n.exe program.
After it opens Plug in your iphone, ipod or ipad to your computer and wait while Evasi0n detects your iDevice. Evasi0n currently jailbreaks iOS 6.0 up to 6.1.2. If your device is compatible, Evasion will show a message and Jailbreak button will be enabled. .
Click “Jailbreak” Button and Evasi0n will start jailbreaking your device. During the jailbreak process your device will reboot several times So don’t Worry and Don’t Touch anything.
Finally Evasi0n jailbreak will pause in between and it will ask you to unlock your iDevice and press the new jailbreak icon. You should follow the instructions and tap the new icon from your springboard. Don’t hurry pressing it again and again! Wait and let the process to get completed.
Once you see the message of completion just exit the evasi0n and now your device is ready to be used. You can now run Cydia and start installing jailbreak apps and tweaks.
Now you are having a device which is free of all restrictions Apple imposed on it and all the apps that are not signed or approved by the Apple app store can be installed on your jailbroken iDevice.