Yes, one or two, it does not matter now. Problem is in the device:
Quote:
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The "Regal" page refresh scheme uses a proprietary chipset (that's not in my Boox Note) to do a "partial" page refresh. In other words, it doesn't refresh everything on the screen and usually refreshes faster. The algorithms used to control the chip are proprietary too and may be different from manufacturer to manufacturer (Regal is used in Kindles, Kobos, and Nook Glowlights among others).
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Source:
https://www.reddit.com/r/ereader/com...h_styles_mean/
Something else about refresh modes is on these webpages:
BOOX Eink color:
https://www.boox.com/2021/05/14/opti...-e-ink-screen/
https://www.reddit.com/r/Onyx_Boox/c..._battery_life/
Review: A few months with an Onyx Boox Poke3 e-reader
https://jamesrcridland.medium.com/re...r-46bab92e7ceb
How Much Do You Know About E-ink Screens?
https://medium.com/boox-content-hub/...g-9a7a76b30e2c