The only untethered iOS 7.1 jailbreak Pangu that can also jailbreak iOS 7.1.2 version has been updated to version 1.2. This latest Pangu jailbreak update addresses some old problems experienced by iPhone, iPod touch and iPad users who jailbroke with this tool and faced boot loop issue after jailbreak.
There were instructions for people who searched for Pangu jailbreak boot loop fix tired of being stuck on the jailbreak welcome screen during reboot, and now there is no need to find workarounds as there is the fix inside the tool now.
Besides, this new Pangu jailbreak fix update comes with a number of improvements, including AFC2. iOS 7.1 iPhone 4 jailbreak as well as untethering iPhone 4S should be painless now, as these two models were the ones affected by the boot loop bug.
You can now use Pangu jailbreak for iPhone 4, 4S, 5, 4S, 5c and other iDevices without getting the boot loop and sandbox log problems. Hackers have also added notification in case the process fails.
You are advised to download Pangu 1.2 and use this Pangu jailbreak for iOS 7.1.2, 7.1.1 and 7.1 if you truly had the reboot loop problem. If everything was ok previously, there is no need to jailbreak once again.
If you ened to get the AFC2 package from Saurik, you can install it yourself or wait until the Chinese team presents the updated Cydia package with bug fixes for users who have already jailbroken with Pangu.
As for today, this is the only method for jailbreaking iOS 7.1-7.1.2 as there are no other programs for these firmwares jailbreak yet.
You can download untethered jailbreak Pangu v.1.2 for WINDOWS and for MAC users.