Buzz
To change the screen brightness on iPhone and iPad, simply press the Home button three times in a row. The brightness will decrease, and to return to the standard level, press it three times again.
These iOS devices come with the automatic brightness adjustment feature based on the surrounding environment. To apply this on your iPhone or iPad, you need to enable it. Currently, on iOS 8, a brightness slider is added for manual adjustment, but using the Home button remains the most convenient and fastest method with the following trick:
Step 1: Go to Settings > General > Accessibility > Zoom. Enable it and then tap the screen three times with three fingers. A window will appear, select Full Screen Zoom.
Step 2: Here, you can drag the zoom slider to bring the screen back to standard size, then choose Choose Filter > Low Light.
Step 3: Go back to Settings > General > Accessibility. Scroll down and choose Accessibility Shortcut. Here, select Zoom to activate the shortcut key.
Step 4: At this point, you can use the method of pressing the Home button three times consecutively to adjust the screen brightness. Press it three times again to return to the initial state.
So, we have guided you on how to quickly change the screen brightness on iOS devices using the physical Home button. For Android devices, in addition to setting up the settings on your device, you can also use the Cobrets app for Android to adjust screen brightness.
https://Mytour.vn/thay-doi-nhanh-do-sang-man-hinh-bang-nut-home-tren-iphone-ipad-1215n.aspx
