SAIGON Jailbreak Guide:
⚫ SITE HAS BEEN UPDATED TO SUPPORT iOS 11.X.X Jailbreak NOW; ENJOY!
Just follow the steps given in the video to check out how to Jailbreak iOS 11 and install Cydia on your iDevice. After jailbreaking, you can tweak your iDevice in any way you want! There are a lot of tutorials on youtube itself for tweaking iDevices with Cydia app.