June 25, 2013, 4:39 PM — Here's how you can turn on Guided Access on your iPhone. This will keep your iPhone running just a single app. This is particularly useful if you have kids, and don't want them leaving the app you let them use.
1. Go to Settings.
2. Go to General.
3. Go to Accessibility.
4. Toggle the Guided Access switch to the On position.
5. Type in a passcode.
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