When Apple’s iOS 6.1.3 update one of the effects was to remove the Evasi0n jailbreak. That, it seems, didn’t work out as well as expected by the Cupertino-based company, and there’s already a jailbreak ready for the new software.
While Redsn0w there is a tethered jailbreak for the devices that have been upgraded to iOS 6.1.3 this jailbreak is only limited to specific Apple devices.
As of now, the Redsn0w tethered jailbreak is only applies to the iPhone 3GS, iPhone 4, and the fourth-generation iPod touch.
The iPhone 4S, iPhone 5, and the fifth-generation iPod touch, on the other hand, will not work with the new tethered jailbreak, although the developers are working on it.
“We have tested and can confirm that using the latest version of Redsn0w, a tethered jailbreak can be applied on all pre-A5 iPhones and iPod touches, those vulnerable to the Limera1n exploit, such as the iPhone 4, iPhone 3GS and iPod touch 4th-generation.” Redmond Pie writes.
"If all has gone well, Redsn0w will now start doing its magic in the background: jailbreaking your device using the Limera1n exploit and installing Cydia in order for you to install and run third-party tweaks or packages. This process should not last more than just a few minutes," the report further notes.
The site, however, warns that anyone on iOS 6.1.2 should not upgrade to version 6.1.3 or they will lose their untethered jailbreak. The tutorial (see here) only applies to users of pre-A5 powered iOS devices only.
It even applies to those developers who want to test their tweaks and apps on 6.1.3 for any future public untethered jailbreak release.
Redsn0w 0.9.15b3 for Windows and Mac
Link to iOS 6.1.3