The built-in "amplifier" function of iPhone can help you see small words clearly. The method of turning on is to go to Settings → Auxiliary Function → Amplifier and turn on the switch; when using it, you can find the application on the home screen, and the functions of shooting, zooming, turning on the fill light, adjusting filters and other functions are available; when encountering blur or jitter problems, it can be solved by stabilizing the phone, cleaning the camera, manual focus, etc.

Sometimes you can't see small characters clearly, such as the tiny text on the drug instructions or menus. In fact, the iPhone has already built-in a practical tool - an amplifier. There is no need to download the app, it is also very easy to use.

Turn on the "Amp" function

This function is hidden in the "Accessibility" in "Settings":

• Go to Settings → Auxiliary Functions → Amplifier
• Turn on the amplifier switch

Once enabled, you can find it in the Utility folder on the home screen. It can also be added to the home screen for quick access.

How to use and techniques

After opening the "Amp" App, the interface is very simple, with a view frame in the middle and a few buttons below:

• Click the circular button to take a photo, and the screen can be viewed easily
• Sliding zoom bar to adjust the magnification (up to 15 times)
• Click the light bulb icon to turn on the fill light. It is very useful when the light is dim.
• Tap the screen with three fingers to bring out filter options, such as black and white, high contrast, etc., which helps improve recognition

A tip: If you want to read a paper book or label, put your iPhone about 10 to 20 cm away from the text, the picture will be clearer.

What to do if you encounter problems?

Sometimes the picture is blurred or jittery affects the user experience, you can try these methods:

• Keep your hands stable, or find a support point to put your phone
• Cleaning the camera, fingerprint or dust can affect clarity
• If the autofocus is inaccurate, you can use your finger to click on the part of the screen you want to see clearly to focus manually

In addition, if you cannot find the "amplifier" app, remember to check whether it was deleted by mistake, or search in the App resource library.

Basically, that's not complicated but practical, especially for people with poor eyesight, they can be used casually.

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