If you have low vision or would like to get a closer view of what's on the screen, use finger gestures to magnify portions of your device's screen.
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Go to Settings, and then tap
Accessibility.
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Tap
Magnification.
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Tap
Magnify with triple tap or
Magnify with button, and then read or listen to the instructions on how to use it to zoom in or out.
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Tap the
On/Off switch to turn the magnification gesture on or off.
Tip: You can turn on both types of magnification gestures.