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Old 04-07-2019, 08:47 PM   #1
einkuser
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KOReader flickering issue on the Onyx Boox Nova

I am using KOReader on the Onyx Boox Nova.

KOReader's Android application installs without issues. However, after installation, there is a lot of flickering when selecting menus and highlighting texts. Does anyone know the reason behind this issue and how it can be resolved?

Thanks
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Old 04-07-2019, 11:49 PM   #2
einkuser
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Just a further note: I think the problem is due to the way the Onyx Boox Nova handles screen refresh. I turned on A2 mode and the flickering stopped.
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Old 04-08-2019, 05:12 PM   #3
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hi @einkuser. A video showing the flickering issue should be great. Also you can install a little apk called EinkTest from https://github.com/koreader/koreader/releases and report how your device is recognized (manufacturer, brand, etc, etc). This will help when/if somebody tries to port the onyx sdk to KOReader.
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Old 04-10-2019, 01:00 AM   #4
einkuser
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Hi @pazos

Thanks a lot for the feedback.

I installed the e-ink test app and it gives the following details:

Manufacturer: Onyx
Brand: Onyx
Model: Nova
Hardware: rk30board
Platform: rk3288

I did the refresh test and it doesn't work on the device.

I'll try to upload a video to demonstrate what I mean by flickering. It is difficult to describe - choosing a menu item makes the screen flash twice. Also, when highlighting a text the screen goes blank and then returns - like it is twitching - and doesn't stop until I finish text selection.
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