Electra Online Jailbreak Guide
Step 01 – Download the Electra Jailbreak app from the following button to install the Electra app to your device.
Step 02 – Go to device Settings → General → Profile & Device management to Trust the Electra app.
Step 03 – Disable Siri, Disable Passcode and keep your device AirPlane mode now.
Step 04 – Run the Electra app on your device. Restart your device several times, before starting the jailbreak as a trick. Then click on the jailbreak button and wait for a few seconds.
Step 05 – Finally Cydia will be added on your iOS 11.4 / iOS 11.4.1 device homescreen.