We are back with a cool iPhone tutorial to protect your eyes from the bluelight emitted from the screen.

Many of you work on your ios gear till midnight, and the screen light may harm your eyes.

So its best to adjust them according to the light around you.

F.lux app

So have a look at the complete guide discussed below to proceed.

First of all, you need ajailbreak iPhone.

After jailbreak, initiate the Cydia app on your iPhone and install theF.luxapp.

F.lux

After installing the app, you oughta go toSettings.

Next, go to theActivatormenu.

Now, select theF.luxoption to activate the app functionality.

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