The Electra Jailbreak for iOS 11-11.1.x
Be sure to fully itune backup your device first before jalbreaking your device.
Simple steps to jailbreak iOS 11-11.1.x:
1.Download the Electra IPA from its official site. https://coolstar.org/electra/
2.Connect your device to your pc or MacOS and With the help of Cydia Impactor, Install the IPA file to your device.
http://www.cydiaimpactor.com/
3.After successfully installation, trust the Application if needed from setting-general-profile & device management, Open the Electra app and Jailbreak It.
Your device might be reboot, and after it you find the Cydia on the springboard. 
If you have installed to.panga jailbreak, you have to remove it first by simply installing latest to.panga and remove to.panga jailbreak from the app.
https://www.youtube.com/watch?v=Xc-o6CWqKGU
I am not responsible for any damage to your device , follow steps with your own risk.!!!
