Thread: Kindle Voyage vs. other ereaders: screen comparison at 0 brightness
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Old 08-11-2023, 05:18 PM   #69
j.p.s
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Quote:
Originally Posted by leifan89 View Post
Indeed. I only pulled up KOReader so I can do absolutely 0 light comparisons, since it's not possible on the Voyage natively.
If you can run KOReader your Voyage is jailbroken, so you can set the brightness to any level possible with the hardware/firmware. To turn the frontlight off completely, use the shell command:
Code:
echo 0 > /sys/class/backlight/max77696-bl/brightness
Any integer between 0 and 255 inclusive will work.

You can play around with fine tuning the brightness with the KUAL extension in the thread:

https://www.mobileread.com/forums/sh...d.php?t=293718
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