While Coolstar is promising to release Electra Jailbreak for iOS 11.3.1, Hacker Abraham Masri has released Houdini semi Jailbreak for iOS 11.3.1.

Remember that, Houdini is not a full Jailbreak like Electra but gives you an limited customization capability such as:

  • Change Icon shapes
  • System-wide ads Blocker
  • Change Emoji fonts
  • Change boot logo
  • Add your face to Animoji (iPhone X only)
  • Themes
  • Hide/rename user-installed apps’ labels
  • Add Cydia sources and install themes
  • Clean all apps cache
  • Change device’s display resolution
  • Hide/rename 3D Touch icons’ shortcuts.
  • Edit Siri’s suggestions list
  • Theme passcode keypad (iOS 11 style or custom pictures)
  • Colorize and resize icon badges.
  • Theme Control center icons and sliders
  • Theme Lock Screen ‘Music Control’

What’s new in Houdini beta 3:

  • Support for iOS 11.2 to 11.3.1 (thanks to Ian Beer)
  • Home and lock screen widgets
    (temporarily disabled)
  • Added Passcode customization in iOS 11
    (with new features included)
  • Re-enabled themes in iOS 11
    (partially works)
  • Added customizable icons
  • Customize iOS 11 Control Center
  • Option to disable system updates
  • Option to remove Houdini (stock iOS)
  • Faster startup time
  • UI Changes and bug fixes
  • Cleaner code base

How to Get Houdini iOS 11.3.1 Semi Jailbreak on iPhone | iPad

Step 1: Download Houdini .ipa and Cydia Impactor file on your computer

Step 2: Launch Cydia Impactor and connect your iOS device on computer using a data cable

Step 3: Drag the Houdini.ipa file on Cydia Impactor Window

Step 4
: Enter your Apple ID and Password

Step 5: On your iOS device, Go to Settings – General – Profile & Device Management and Trust the new Certificate

Step 6: Launch Houdini app – Tap Start and Done