How to turn on blue light filter on CITYCALL I8550?

How to turn blue light filter on CITYCALL I8550?

Activating a Blue Light Filter / Night Mode on your CITYCALL I8550

1. If your phone uses fairly new software, simply unlock your CITYCALL I8550 and open the Settings menu.
2. Select the Display option and search for a Blue Light Filter option. They can use one of many names - Night Mode, Night Light, Reading Mode, and such. All of these basically do the same, making your phone's colors warmer once you turn it on.
3. You can either choose an option for this mode to start when the sun sets (it can be named something like Goodnight or Reading Before Sleep mode) or schedule when should it start by yourself.
4. Once you're done, that's it! Your CITYCALL I8550 will now change the displayed colors to warmer ones once the Blue Light Filter is applied!

How to filter blue light on CITYCALL I8550? - HardReset.info

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