Kindle v5.8.11 Update Adds More Bold Text Options, Plus Option for White Text on Black Screen

In addition to launching a new Kindle Oasis this morning, Amazon is also releasing a new firmware update for all current Kindle models.

Kindle v5.8.11 Update Adds More Bold Text Options, Plus Option for White Text on Black Screen e-Reading Software Kindle

The v5.8.11 is not yet available on the Amazon website, but according to the press release it adds a couple features that will make it easier for those with vision problems to read Kindle ebooks:

  • New Font Size and Bold Settings: Now choose from more font sizes than ever before—and five levels of boldness—for whichever font you choose to read with.
  • New Accessibility Options: In addition to the Open Dyslexic font, we’ve added a feature to invert black and white on the display if you have light sensitivity.

The press release also mentioned ragged right formatting, which was actually added in an update earlier this year. There's also a mention of a new "enlarged display option" which will ship with the new Kindle Oasis. This is supposed to let you "increase the size of items like the text on the home screen and library as well as the book icons", but it's not clear yet whether older devices will get this feature in the update.

The update will be pushed out to current Kindles, and will soon be available for download from the Amazon website.

About Nate Hoffelder (11370 Articles)
Nate Hoffelder is the founder and editor of The Digital Reader:"I've been into reading ebooks since forever, but I only got my first ereader in July 2007. Everything quickly spiraled out of control from there. Before I started this blog in January 2010 I covered ebooks, ebook readers, and digital publishing for about 2 years as a part of MobileRead Forums. It's a great community, and being a member is a joy. But I thought I could make something out of how I covered the news for MobileRead, so I started this blog."

18 Comments on Kindle v5.8.11 Update Adds More Bold Text Options, Plus Option for White Text on Black Screen

  1. Inverted text color? Oooo. Maybe my complaining about the lack of light temperature control in the new Oasis comments is now moot. Time to dust off my Kindle Voyage and give it a try!

  2. Yes finally!! That will breath new life into my high res (PW and Voyage and soon new Oasis) ereaders.

  3. Do y’all think that the experimental Web browser will be any better this go-round? If so, I will be quite interested.

  4. I thought this update was supposed to release today? Where is it?

  5. Is the ability to invert the colors available for all of the devices that receive the update or just the newer devices?

    • Thanks for reminding me – I can’t find that option, and it turns out that I misread the press release. The inverted color option wasn’t supposed to be added in this update.

      Apologies for the error.

  6. Where’s the white text on black background feature located? I don’t see it on the Voyage?

  7. They are available for regular download now.

  8. There is no “Bold Control” on my side loaded books 🙁

  9. OK, It’s not available only on side loaded mobi books, azw3 are fine 🙂

  10. Yes, it only works with azw3 files. It is a problem, as you can only email .mobi e-books to your Kindle to sync on other devices (please correct me if I’m wrong). It is possible to side-load azw3 e-books but then it is not accessible elsewhere. Kobo allows font weight increase with their fonts but the feature is applicable to all e-books, whether purchased from Kobo or side-loaded.

  11. This is great, my high res readers are actually more readable now than my Kindle basic. I didn’t much, just a little bit more than none. I have the boldness set to 1.

    FYI I don’t have vision problems that are not correctable with contacts or glasses. I find that insulting to describe anyone wanting font bolder than super light as having vision problems. We pay alot of money for these ereaders, we should be able to customize the text as we see fit.

  12. Inverted Black and White feature is not part of the v5.8.11 update. This is what the press release says

    “Starting today, the new size and bold settings as well as ragged right alignment will be delivered as a free, over-the-air update to Kindle Paperwhite (Gen 6 released in 2013), plus all newer Kindle devices.”

    And that is what the update delivered.

    There is some question as to whether the feature will ever appear on anything but the new Oasis, which has a newer and more powerful graphics chip. It might be hardware enabled.

  13. Late comment here. The feature is available on the Kindle Oasis 2, and as far as I know it’s the only Kindle that has it. I’m on version

    It’s tucked away in the accessibility options:
    Settings -> Accessibility -> Invert Black and White

    The feature doesn’t seem to be marketed by Amazon. I only just discovered it after having this model since it was released, from some customer review pictures on Amazon.

    This feature makes reading in the dark much easier on the eyes, and less disturbing to a partner. I really wonder why Amazon doesn’t advertise it… maybe it drains the battery or has some other downside. Anyway, in the past I would read on my phone with the Kindle app if I wanted to read in the dark, and now I won’t have to. Good stuff!

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