Search in Settings for blue light filter and tap the toggle to enable the feature. You can even set it so that your phone's color tone will gradually shift toward warmer tones as it gets closer to bedtime. Thankfully, the S8 comes with a blue light filter that cuts down on that harsh light, so you'll have an easier time falling asleep at night. Enable the blue light filterĪlmost everyone could use a little more sleep, but the blue light emanating from the screens of the many devices we own could be affecting that.

Basic mode is a mode for sRGB compliance. Adaptive Display has a cooler, bluish tint and a wider color gamut than AMOLED Cinema or Photo, while the latter two feature a more neutral color balance and much better color accuracy. Search in Settings for screen mode and select one of the four color modes: Adaptive Display, AMOLED Cinema, AMOLED Photo or Basic. But if you turn on Find My Mobile, you give yourself another chance to recover your handset in the event you forget it in a taxi, drop it at a bar or just lose it between the cushions of your couch. (If you have not enabled a secure screen-lock method such as a PIN code, password or swipe pattern, you will need to do so first.) Enable Find My Mobile This process is best when you do it in a well-lit area without wearing glasses. To enable iris security, select the option that says 'iris scanner,' hold the device 10 to 14 inches away from your eyes and use the front-facing camera to position your eyes in the highlighted section of the screen.

(If you have not enabled a secure screen-lock method such as a PIN code, password or swipe pattern, you will need to do so first.) To enable face recognition, select Face Recognition and register your face by using the front camera to position your face inside the highlighted area. ( If you have not enabled a secure screen-lock method such as a PIN code, password or swipe pattern, you will need to do so first.) Search in Settings for lock screen and security, then tap the option that says 'Fingerprint scanner.' Next, touch the finger you want to use to the sensor on the back of the phone multiple times, using various positions until you reach 100 percent.

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