iOS 7.1.1 iPhones and iPads can be jailbroken with Pangu tool created by Chinese hackers. As U.S. developers [iH8sn0w and others] say this program is safe to use so a lot of people have already run it and some now experience problems. There is Pangu fix you can try if you experience issues with bootloop.
The problems have been reported by some users, not all. You might not even have to use this boot loop iOS 7.1.1 fix guide or it might be really handy to you at this moment.
How to Fix 7.1.1 Jailbreak Bootloop
Before we explain what might cause and how to solve bootloop 7.1.1 issue, let’s about about bootloop. Some people who have iPhone 4 and other models say bootloop errors being when you restart the gadget. It might sound really weird and unreal, but people are sure this problem is created by your light sensor.
Users who have jailbroken their iDevice with Pangu say that when they use the smartphone in the dark room they have bootloop which disappears once you use a flashlight on your light sensor and turn on the lights.
If you are a member of Reddit, you can search it and make sure that this crazy method actually works and iOS 7.1.1 jailbreak fix makes you get rid of the boot loop error. Chinese hackers haven’t discussed this problem yet and offered no other solutions. Maybe they will fix everything in the next Pangu update as they promise to present English versions soon along with Linux and Mac releases. Right now you are able to jailbreak untethered your 7.1.1 and 7.1 iPhone, iPad and iPod on Windows only.
You can also watch the video to get an idea how the problem is solved.