Step 1: After downloading the files from above, Extract the Impactor files to a folder on your desktop and run the Impactor.EXE once you've done that, plug your device in Via USB.
Step 2: Drag and drop the Electra 11.2 IPA into Cydia Impactor and then type in your User ID email for your Apple account. When it ask for a password DO NOT use your actual password. Go to appleid.apple.com and log in, use the Generic 6-digit passcode and then go to security and select Generate on App-specific Passwords. Copy this password into Impactor and hit Enter.
Step 3: Allow Impactor to do its thing and then once its finished open the App on your Device.
NOTE: This again ONLY works for iOS 11.0 - 11.1.2 it will not allow you to do anything on any higher iOS