The colour part is easily fixed. PM me know when you want to try again, I will give you a slightly modified setting to let you control the colours through Settings > Device > Display > Screen Mode.Yes I deleted the file first- I actually like Devil 2 v.2.0.4 , and your settings made for very good power management- my only small downside was the colours were dulled down, if you can keep the low power and up the color appreciation I would be more than willing to test again- I may well go back to Devil, I'm just trying available options.
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