Step 1 – Enable Safari Web Inspector
To enable Safari Web Inspector under iOS you have to activate the Web-Inspector settings as below
Step 3 – Connect your iOS Device via USB Cable to Mac Computer
Connect your local device via USB Wire with a Mac.
Step 4 – Activate Safari Web Inspector under MacOS
Open Safari and go to the Safari menu > Preferences > Advanced and checkmark Show Develop menu in menu bar. Afterwards select the connected iOS Device under Develop see Screenshot below: