If you’ve noticed a mysterious blue box slowly scanning across your iPhone screen and your touch isn’t responding like usual, chances are Switch Control has been accidentally turned on. It’s an accessibility feature designed to help users with limited mobility navigate their device using external switches or gestures. But when activated unintentionally, it can feel like your phone has a mind of its own.
This feature highlights screen elements with a blue outline and cycles through them automatically. You’ll likely find the interface unresponsive to normal taps unless you’re familiar with its control method—which can be frustrating.
Fortunately, disabling it is easy:
- Try triple-clicking the Side button (or Home button, depending on your model). This shortcut often deactivates accessibility tools like Switch Control or VoiceOver.
- If that doesn’t work, open your Settings, then go to Accessibility > Switch Control, and toggle it off manually.
- Still stuck? Just ask Siri: “Turn off Switch Control.”
Once disabled, the blue box will disappear, and your phone should return to normal. This feature is helpful when used intentionally, but can be easily triggered by accident—especially after iOS updates or while poking around in settings.