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CF.lumen 3.74 Apk Pro Mod

CF.lumen Apk Mod
NameCF.lumen 3.74 Apk Pro Mod
Updated30 Dec 2020
CategoryApps > Tools
Requires Android5.0 and up
Google Playeu.chainfire.lumen
Size1.19 MB
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CF.lumen Mod Apk

CF.lumen adjusts colors to your Android phone based on where the sun is or what your configuration specifies. You can still download versions up to v3.16 which support 4.4 KitKat from the XDA Thread (see below). Performance drop since v3.60? Perform mode is enabled.

The default setting will cause your screen to get warmer (or a lower color temperature) during the day. This reduces strain on your eyes and helps you see better. Your brain needs blue light to remain awake. Using lower colors reduces the display of blue. This can be useful in the evening to reduce your brain's efforts to stay awake.

A red filter will be used during sleep hours. A red filter reduces strain on your eyes and preserves night vision.

Light sensor

You can use the light sensor to automatically adjust the color. The sleep filter can be switched to full darkness or the day filter under bright lighting.

A calibration option allows you to test different light sensors.

Color filters

There are several filters available. These filters are named after colors (red, green and blue ...)) but do not restrict the display to these colors. Instead they convert the image to grayscale before displaying it in the appropriate levels. These methods preserve details which would otherwise go unnoticed.

Grayscale invert colours temperature adjustment, and custom R/G/B adjust filters are available.


You can also set the master color filter to colorblindness. This includes settings for deuteranopia/anomaly, protanopia/anomaly, and tritanopia/anomaly. The theory is that these options will improve clarity and color detail.

These filters are not guaranteed to be effective. These filters were created by Google engineers Cf.lumen only includes them.

Pro version

Upgrade to CF.lumenPro will help my development and remove any nags. It also unlocks the notification options. This also allows Tasker integration.

Pro mode adds buttons that quickly disable or change to sleep mode. You can also switch the notification to if enabled mode, which displays the notification only when the color filter is active.

The notification will only prompt you to go to Pro mode if your device is not in Pro mode. Although it may appear that the notification is only there to bother you, Android actually stops Android from killing all background services randomly. You can get rid of the notification without causing it to be killed by visiting Settings.

Pro. will be possible by installing Chainfire3D Pro(ancient).


There should be no noticeable performance loss when no active color filter is in use. The impact of a filter on your device will depend on what you're doing. Some devices had no effect on performance while others showed a slight difference. This also depends upon the type of driver being used.


Remember that Android's rendering system can change over time. This app could stop functioning on new Android versions, without any possibility for a fix.


Most permissions are only used for Google Maps, which will set your location, and Google Play for in-app purchases. Although I can't claim to know what data the Google components send to Google servers, it is clear that no information is being sent to me (or anyone other than Google).


Advanced user more information discussion and support can be found in this app;s thread on XDA-Developers: http://forum.xda-developers.com/showthread.php?p=51779367

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