Kindle paperwhite 4 (KPW4)screen quality not uniform? what should I do?

In article PW4 screen quality not uniform? , A Kindle  paperwhite 4  Friend sharing this question . and this follow picture .

I have been watching this picture a Long time , i think the  kindle  paperwhite 4 screen quality is very good .

Today,about this question : Kindle paperwhite 4 (KPW4)screen quality not uniform? what should I do?  I share a little experience.

In fact, i think you need clear the color attribute in the txt source files . use Calibre – E-book Management .

First, In your computer install calibre software , The method is simple , please visit How to Download and Install Latest Calibre on Windows 10

calibre software homepage :

second, Import the e-book into Calibre, select the book, right-click – convert the book – convert one by one.

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