Kindle Firmware Version 5.19

Current sub-version: 5.19

This page takes a deep dive into the firmware that is pre-installed on Amazon Kindle e-ink tablets to help potential customers decide if the Kindle Scribe has the software functionality that they need.

New in this version

• Performance improvements, bug fixes and other general enhancements

Although not a lot has changed with the Kindle firmware since the previous version, I’ve nevertheless chosen to increase my rating of it, and upgrade it to ‘recommended‘ status.

This is because after revisiting my Kindle devices, I felt I’d been rather harsh with my previous rating. So the boost is more of a correction in my perspective than anything significantly better in this particular update.

I think that during this round of testing I developed a new appreciation for just how clean and intuitive the Kindle software is, and how useful and effortless that the annotation features within the reading app are. In the past, I’ve frequently felt let down by Kindle devices because of their lack of features, particularly within the note-taking app when it was first released back in 2022, and that maybe created a prejudice in me that was unable to see how truly amazing some newer features (such as Active Canvas) were.

I still don’t think its the best e-ink tablet out there – for my own workflows, the feature set of the note-taking app don’t make the grade – but I can now see that for some people’s use cases, Kindle devices could be the best choice.

Operating system

Kindle devices run a proprietary operating system built upon Linux. I have never encountered an official public-facing name for it, so I simply refer to it as KindleOS. It is purpose-built, tightly controlled, and conspicuously narrow in scope. This is not a general-purpose computing environment masquerading as an e-reader; it is an e-reader operating system, first and foremost.

The design philosophy is immediately apparent: restraint over versatility, clarity over configurability. There is very little here that feels experimental or ornamental. Everything is arranged to serve the act of reading – though not without a few commercial intrusions, urging you to buy from the Kindle Store.

The Kindle home screen is divided into five principal tabs:

• Home
• Library
• Notebooks
• A central shortcut/thumbnail to the most recently accessed ebook or notebook
• More

Across the very top of every tab runs a persistent status bar displaying the time, Wi-Fi and Bluetooth indicators, and battery percentage. Beneath that sits a universal search bar. This allows me to search my local library, my notebooks (titles only – not the text/handwriting contained within), and the Kindle Store simultaneously. To the right are two small icons: one to create a new notebook, and one that leads directly into the Kindle bookstore.

The layout is consistent and predictable. Nothing feels hidden; nothing feels labyrinthine.

The Home Tab

The Home tab is ostensibly a dashboard of recent activity. Along the top is a horizontally scrolling row of recently accessed books and PDFs. This part functions exactly as expected.

Below it, however, is a substantial section titled Discover Books. This occupies more than half of the available screen real estate. In practical terms, it is a storefront. It presents algorithmically generated recommendations from the Kindle Store.

I find this design choice divisive. On the one hand, it may be useful for readers who actively seek new material. On the other, it is impossible to ignore that a majority of the home interface is dedicated to encouraging further purchases. It does not feel subtle. Whether this is helpful or intrusive will depend entirely on temperament.

The Library Tab

The Library tab is where the Kindle becomes what it was meant to be: a repository of books.

All downloaded eBooks and documents reside here. Access is immediate – a simple tap opens a title. Organisation is reasonably sophisticated. I can:

• Create custom ‘collections‘ of my ebooks for categorisation
• Sort by author, title, or recent activity
• Apply various filters
• Use Family Sharing to distribute purchased content between linked Amazon accounts

The system is not visually extravagant, but it is functional and dependable. Collections are easy to manage, and large libraries remain navigable, particularly when using collections.

The Notebooks Tab

On devices that support handwriting, such as the Kindle Scribe, the Notebooks tab houses all created notebooks.

Here, I can:

• Create new notebooks
• Sort and filter existing ones
• Organise them into hierarchical folders and subfolders

The More Tab

The More tab contains miscellaneous functions:

• Your Lists (shopping lists and Kindle Store wish lists)
• Goodreads Shelves integration (for rating books you’ve read)
• A basic web browser
• Legal notices
• Access to the settings menu

The web browser deserves brief mention: it is rudimentary to the point of near uselessness. Page rendering is slow, navigation is awkward, and interaction feels strained. It exists, but only nominally.

Settings Menu

The settings menu is comprehensive without being overwhelming. Options include:

• Amazon account management and Family setup
• Wi-Fi and Bluetooth configuration
• Language and dictionary selection
• Date, time, and sleep timer adjustments
• Customising the Scribe pen button (on supported devices)
• Dark Mode
• Display scaling and text size adjustments
• Screen rotation lock
• Accessibility options
• Library and notebook view preferences

The structure is logical. Nothing feels buried several layers deep. It reflects a deliberate attempt to minimise friction.

Quick Settings Panel

A swipe down from the top of the screen reveals a quick-access control panel. Here I can:

• Toggle Airplane Mode
• Enable or disable Bluetooth
• Switch Dark Mode on or off
• Lock orientation (portrait or landscape)
• Perform a manual sync with Amazon to update my ebook library or download new firmware
• Jump directly to full settings

Below these toggles are sliders for:

• Front light brightness
• Warm light intensity

There is also an automatic brightness checkbox that adjusts illumination based on ambient light. In practice, it works competently and saves manual adjustment.

Performance and Usability

KindleOS is not especially versatile. It does not invite modification or deep personalisation. But it is undeniably intuitive. Navigation is straightforward, transitions are relatively quick, and the interface rarely feels congested.

For new users in particular, this simplicity is a virtue. There is almost no learning curve.

Performance is generally snappy for an e-ink device. Page loads, menu transitions, virtual keyboard taps and book openings occur with minimal delay. However, I do encounter one recurring irritation across multiple Kindle devices…

On several devices, I have experienced a consistent networking problem. After the Kindle has been in sleep mode for an extended period, it frequently fails to reconnect automatically to my office Wi-Fi network.

When I attempt to reconnect manually, the device often freezes for 30 seconds to a minute. It then reports that it cannot connect and requests that I re-enter my username and password. After re-entering the credentials, it connects immediately without further complaint.

This behaviour is not catastrophic, but it is recurrent and tedious. It undermines the otherwise polished impression of the system.

Overall Impression

KindleOS is austere, controlled, and purpose-driven. It lacks the expansiveness of Android-based e-readers and offers limited configurability. Yet its clarity, responsiveness, and focus on reading make it exceptionally approachable.

Its greatest strength is its simplicity.

Its greatest weakness is its inflexibility (and, occasionally, its stubborn Wi-Fi behaviour).

For a device whose primary function is reading, that trade-off may be entirely reasonable.

Native note-taking software

On the Amazon Kindle Scribe, creating a new notebook begins with two decisions: naming it and selecting a template. Several templates are provided (lined, grid, checklist, etc.) and they are perfectly serviceable. What you cannot do, however, is import or design your own custom templates. The system is closed in that respect. You work within the boundaries Amazon has defined.

Interface and Layout

The interface is thoughtfully restrained. Almost the entire display is given over to the writing canvas, which is exactly how it should be. There is no ornamental clutter.

• Swiping or tapping left/right with a finger flips between pages.
• The bottom-left corner displays the current page number and total page count.
• A discreet vertical toolbar sits on the left-hand side and can be minimised or moved to the right-hand side, if desired.

The design feels deliberate: nothing distracts from the act of writing.

Writing Tools

The toolbar governs how the stylus behaves. It can function as:

• A pen
• A highlighter
• An eraser
• A lasso selection tool
• A passive “hand” tool (behaves like a finger)

Selecting the pen tool reveals four distinct instruments:

• Regular pen
• Fountain pen
• Felt tip
• Pencil

Each offers five line thicknesses.

The regular pen produces uniform strokes with no tilt or pressure sensitivity. It is predictable, almost sterile.

The fountain pen is more nuanced, though still not pressure-sensitive. Its upstrokes are thinner than downstrokes, and leftward strokes are slightly thinner than rightward strokes. The effect is surprisingly convincing – not truly calligraphic, but aesthetically very pleasing.

The felt tip introduces pressure sensitivity and slight tilt responsiveness. Strokes are thicker and feel more organic and ‘blotty’.

The pencil is the most expressive of the four. It has a grainy, graphite-like texture with a high degree of pressure and tilt sensitivity. It feels tactile and analogue in a way the others do not.

Switching to the highlighter lays down a semi-transparent overlay atop existing strokes.

The eraser offers five thickness options. It can erase normally, erase a selected region, or wipe an entire page.

Lasso and Manipulation Tools

The lasso-select tool enables far more than simple selection. Once handwriting or strokes are selected, they can be:

• Moved
• Resized
• Copied
• Cut and pasted
• Deleted

It does not have the full range of tools for manipulating selections that you can find on other e-ink devices, but performs these basic functions without fuss.

A clipboard icon on the toolbar stores copied content for reuse. Beneath it are undo and redo buttons.

There is also an option to reposition the toolbar to the right-hand side of the screen, and you can customise what action the stylus button performs – a small but welcome concession to personal workflow.

Tapping the hand icon converts the stylus into a navigation tool. Swiping with it flips pages without leaving stray ink behind.

Top Toolbar

Tapping near the top of the screen reveals a secondary toolbar. From here you can:

• Exit or rename the notebook
• Access page overview
• Open notebook settings
• Use AI features
• Share pages

The page overview displays thumbnail previews of every page. From here, pages can be:

• Selected
• Deleted
• Rearranged
• Added

Tapping a thumbnail jumps directly to that page. Navigation is straightforward, though it becomes less efficient in very large notebooks.

Selected pages (or, in some contexts, the current page or entire notebook) can be processed using Amazon’s AI tools.

There are currently two options:

1. Summarise selected pages
2. Convert handwriting into a clean, formatted script

Processing takes a few seconds per page. Once complete, a preview appears with refinement options. When satisfied, the output can be inserted as a new page – though only at the beginning or end of the notebook. The inability to insert the generated page at an arbitrary location feels unnecessarily restrictive.

Pages or entire notebooks can be shared via email to yourself or up to five recipients in PDF format. There is also an option to convert handwriting to text before sending.

Within notebook settings, you can:

• Rename the notebook
• Set the default template
• Set handwriting recognition language
• Customise the notebook cover (to the first page or current page)

The selected cover determines the thumbnail image displayed in the notebook list – a subtle but useful organisational cue.

The AI and sharing shortcuts available in the top toolbar replicate those in the page overview, except they operate on either the current page or the entire notebook rather than selected pages.

Writing Experience

The writing experience itself is excellent.

There is virtually no perceptible latency. Pen strokes appear immediately beneath the stylus tip. The sensation is crisp, responsive, and remarkably satisfying. It feels deliberate and controlled – not experimental or half-finished. In use, it is genuinely pleasurable.

Limitations

Despite the refinement, the feature set is comparatively narrow.

There is:

• No handwriting search
• No ability to divide notebooks into structured sections or chapters
• No internal linking between pages
• No custom template import

For notebooks spanning dozens or hundreds of pages, navigation can become cumbersome. The lack of structural hierarchy means large projects feel flatter than they should.

Other e-ink tablets offer more sophisticated organisational systems. The Kindle Scribe prioritises polish over breadth.

Overall Impression

The Kindle’s native note-taking app is restrained, coherent, and meticulously refined. It does not attempt to compete with full-featured digital notebooks. Instead, it focuses on delivering an exceptionally smooth and intuitive writing experience.

Its limitations are real – particularly in large-scale organisation – but the features it does include are carefully designed and thoughtfully executed.

It feels less like a productivity suite and more like a digital extension of paper: simple, focused, and gratifying to use.

Native reading & annotation software

Kindle devices support EPUB, PDF, and several other document formats. However, it is important to understand what is actually happening beneath the surface. When you send an EPUB or compatible file to a Kindle, the device does not open that file natively. It converts it into Amazon’s proprietary KFX format.

In practical terms, regardless of the file you supplied, you are almost always reading a KFX file. I will explore the implications of this more fully in the ‘Ecosystem’ section below, but it is worth noting here because it shapes the reading experience in subtle ways.

Amazon were among the early pioneers of dedicated e-reading hardware, and that maturity is evident. Reading on a Kindle feels refined in a way that only comes from iteration over many years.

As with notebooks, tapping near the top centre of the screen summons two toolbars, one at the top, one at the bottom.

Bottom Toolbar

The bottom toolbar is primarily navigational.

• A page slider allows rapid movement through the book.
• A Page Overview displays thumbnail previews of each page, similar to the notebook interface.
• Arrow icons allow you to skip directly to the beginning of the next or previous chapter.

Navigation feels fluid and predictable. Nothing about it feels experimental.

Top Toolbar

The top toolbar is more expansive.

The layout icon opens a comprehensive set of customisation options:

• Font family
• Font size
• Font boldness
• Paragraph spacing
• Word spacing
• Character spacing
• Margins
• Text alignment
• Orientation
• Column view (landscape only)

Additional features include:

• Text-to-speech
• Popular Highlights (community highlights visible in supported books)
• Word Wise (definitions shown above complex words)

The level of typographic control is impressive without becoming overwhelming. Adjustments render cleanly, and the preview updates instantly.

The next icon reveals the table of contents. Tapping a chapter heading immediately jumps to it. This is straightforward and reliable.

Another icon displays a list of all annotations. These can be filtered by type:

• Highlights
• Underlines
• Notes
• Bookmarks

Tapping an annotation jumps directly to its location in the text.

Bookmarks simply flag a page. Highlights and underlines function almost identically – a snippet of selected text from the ebook is saved in saved into your annotations list. The practical distinction appears to be visual rather than functional. I suspect the dual system exists to help users categorise emphasis differently, though structurally they behave the same.

Handwritten notes, however, are more sophisticated, and I’ll go into more detail about these later.

All annotations, including handwritten ones, can be exported as a PDF. A download link is emailed to yourself or up to 5 recipients.

There is also a share function that exports the entire eBook as a PDF along with your highlights and underlines marked (but not handwritten annotations). Note that this only works for DRM-free titles. You cannot export purchased Kindle Store books as PDFs, because this could lead to copyright theft.

The search icon performs a full-text search within the book.

The overflow menu contains additional utilities:

• Show/hide writing toolbar
• Vocabulary Builder (a list of previously looked-up words)
• Popular Highlights (if supported)
• X-Ray (character and term reference information in supported titles)

X-Ray functions almost like a built-in glossary for characters and key concepts, which is particularly useful when reading dense fiction.

Dictionary and Text Selection

Long-pressing on a word summons a dictionary definition. The Kindle English dictionary is exceptional, arguably the best I have encountered on an e-reader. Definitions are clear and comprehensive.

Words can also be:

• Looked up on Wikipedia
• Translated into another language

Dragging the selection handles to expand a highlight feels unusually precise. On many e-ink devices, this process is fiddly and imprecise. Here, it is smooth and accurate.

If a highlight extends beyond the bottom of a page, the Kindle automatically turns the page to continue the selection. Most competing devices simply do not permit multi-page highlights. This is a small but meaningful refinement.

Selections can be converted into highlights or underlines and are then stored in the annotation list.

On stylus-enabled devices, text can also be underlined directly with the pen tool or highlighted with the highlighter tool. This feels natural and immediate.

The lasso tool appears in the writing toolbar, but in practice I have found no meaningful use for it in the reading app. It does not seem capable of selecting text objects. It would be beneficial if future updates allowed lasso-based text selection.

Types of handwritten notes

There are three forms of handwritten note within reflowable eBooks:

1. Sticky Notes
   Added to a text selection. A small icon appears at the end of the highlighted passage. These can contain handwritten or typed input.
2. Inline Notes
   Writing directly between paragraphs generates a movable note box inserted into the text flow. It can be resized and repositioned.
3. Margin Notes
   Tapping the Active Canvas icon opens a writing panel occupying roughly one third of the screen width on the right-hand side (although it can be expanded to around two-thirds). This allows extensive handwritten notes without obscuring the primary text.

These options are only available for reflowable text formats (e.g., Kindle Store books and converted EPUBs).

For fixed-layout documents such as PDFs, the feature set is reduced:

• No underlines
• No inline notes
• No margin canvas
• Sticky notes are text-only
• You can write directly on the document, but handwritten annotations remain fixed in place, rather than inline.

The experience is more static and less integrated than with reflowable eBooks, but this is the nature of PDF files.

Overall Impression

The Kindle reading app is exceptionally well-developed. It balances typographic customisation, annotation flexibility, and navigational clarity without feeling cluttered.

For readers who annotate heavily whilst reading, especially with handwritten notes, the system is remarkably capable. Despite the abundance of annotation features, the interface remains coherent and intuitive.

It does not feel like a platform chasing novelty. It feels mature, stable, and meticulously refined.

Ecosystem

The Amazon Kindle ecosystem is one of the most closed environments in the e-ink landscape.

If you intend to purchase books for use on a Kindle device, you are effectively restricted to the Kindle Store. Kindle devices do not support third-party DRM schemes. While you can send public domain or DRM-free EPUBs and PDFs to your device, eBooks purchased from most other bookstores (which are typically protected by other more universal DRM systems) simply will not work.

In practical terms, it is almost impossible to use a Kindle meaningfully without an Amazon account.

Proprietary File Conversion

As mentioned earlier, when you send an EPUB or compatible file to your Kindle, it is converted into Amazon’s proprietary KFX format during transit. The original file is not what you are reading.

For many users, this distinction is immaterial. If the book opens and behaves properly, the underlying file type is irrelevant. From Amazon’s perspective, standardising everything into a single format reduces software complexity. The reading engine only needs to optimise for one file type, which likely improves performance and reduces development overhead.

However, there is a long-term implication.

Once an EPUB has been converted into KFX, there is no straightforward method of converting it back. If, in the future, you migrate to another e-reader brand, you cannot extract those KFX files and reuse them elsewhere. You must retain backups of your original EPUBs independently. Reliance on Amazon’s cloud alone is not prudent if long-term portability matters to you.

In addition, sometimes the conversion process does not work correctly, and it screws up the rendering, layout and formatting, making the ebook uncomfortable or impossible to read. And in some cases, the conversion does not work at all. Thankfully, conversion issues are a fairly rare occurrence, but they do open up an additional point of failure compared to devices that open ePub files natively, without conversion.

Ownership vs Access

Another consideration is philosophical as much as technical.

When you purchase a Kindle eBook, you are not acquiring a permanent digital object in the traditional sense. You are purchasing a licence – the right to access that content under Amazon’s terms. Titles can be updated, altered, or in rare cases removed.

Such events are not common, but they do occur. It is important to understand the distinction between ownership and licensed access.

Sending Files to Kindle

There are two principal methods for sending EPUBs or PDFs to your Kindle library:

1. Email to Kindle
   Each Kindle account is assigned a unique email address (visible in device settings). Sending compatible files to this address converts and uploads them to your cloud library.
2. Send to Kindle (Web Upload)
   Files can be uploaded through Amazon’s web interface, after which they are processed and added to your library.

Depending on file size, this can take several minutes. The delay is due to Amazon’s server-side conversion into KFX.

USB Transfer

It is still possible to transfer certain PDFs directly via USB. However, these files are not converted to KFX. As a result, they lose some functionality. For example, PDFs transferred over USB do not support the same writing and annotation features as those processed through Amazon’s cloud.

In effect, full functionality requires the file to pass through Amazon’s servers.

Cloud Dependence

Because most files must transit through Amazon’s cloud infrastructure, copies of your documents are stored on Amazon’s servers.

The advantage is obvious:

• Your entire library synchronises across devices.
• Any Kindle device you log into reflects your full collection.
• The Kindle app mirrors your books and notebooks automatically.

The trade-off is dependence. Offline, direct cable-based file management is not the primary design philosophy.

Kindle App on Other Devices

The Kindle app is available on Android and iOS. This means you can install it on:

• Smartphones
• Tablets
• Even Android-based e-ink devices from other manufacturers

The app is excellent for reading Kindle books on non-Kindle hardware. However, annotation capabilities are reduced. You can create:

• Highlights
• Underlines
• Text-based sticky notes

You cannot create handwritten annotations within the app.

This limitation is not unique to Amazon; no third-party reading app currently offers full stylus-based handwritten annotation comparable to dedicated hardware integration. I mention it because some users assume installing the Kindle app on an Android e-ink tablet replicates the full Kindle device experience. It does not.

Notebook Access via App

You can view your Kindle notebooks within the Kindle app, which is convenient. However:

• You cannot edit them.
• You cannot export or download copies directly from the app.

Notebooks remain tightly bound to the Kindle hardware and Amazon’s infrastructure.

Export Options

You can export notebooks and DRM-free eBooks as PDF files via email from the device itself.

DRM-protected Kindle Store purchases cannot be exported as PDFs.

Overall Assessment

The Amazon Kindle ecosystem is highly controlled. It requires an Amazon account, periodic internet connectivity (for downloading ebooks and updates from the Amazon Cloud) and, in practical terms, commits you to purchasing books from the Kindle Store.

There is minimal interoperability with competing ecosystems.

Yet this closed structure produces a counterbalancing benefit: cohesion. If you remain within Amazon’s environment and accept its constraints, everything works seamlessly. Synchronisation is reliable. Setup is uncomplicated. The user experience is cohesive and relatively frictionless.

It is a walled garden, but one that is carefully maintained.

Other native software

Unlike Android-based e-readers, Kindle devices do not permit the installation of third-party applications. There is no app store, no sideloaded APKs, and no scope for expanding functionality beyond what Amazon provides.

This is consistent with the broader philosophy of the Kindle platform: controlled, vertically integrated, and deliberately limited.

That said, there are a handful of external services and partnerships worth mentioning.

Microsoft Word Integration

Amazon has partnered with Microsoft 365, allowing documents to be sent directly to your Kindle library from within Microsoft Word.

From the Word application itself, you can export a document to Kindle. It then passes through Amazon’s servers and appears in your Kindle library, after being converted into KFX format.

For academic or professional workflows, this is genuinely convenient. It eliminates the friction of manual file transfer and ensures synchronisation across devices.

Goodreads Integration

Kindle also integrates with Goodreads, the Amazon-owned book review platform.

From within a Kindle device, you can:

• Rate books you’ve finished
• Sync those ratings to your Goodreads account
• Browse Goodreads content directly

The integration is not especially elaborate, but it is functional. For readers who actively track their reading habits, this connectivity is useful. For others, it may be irrelevant.

Send-to-Kindle (Browser Extension)

There is also a Send-to-Kindle browser extension available for Chrome. It allows you to send web pages directly to your Kindle for later reading.

In principle, this functions similarly to services like Pocket or Instapaper on other platforms: you encounter a long-form article online, click the extension, and it is delivered to your Kindle library for distraction-free reading.

In practice, it works reasonably well. Formatting is usually cleaned up sufficiently for comfortable reading on e-ink. It is not flawless, but it is convenient.

Built-In Web Browser

Finally, there is the integrated web browser.

It exists. It functions. That is about as much praise as I can reasonably offer.

Admittedly, it has improved since earlier iterations, when it was effectively unusable. Pages now load with marginally greater reliability, and basic navigation is possible. However, the experience remains sluggish, awkward, and visually unpleasant.

Scrolling is cumbersome. Page rendering is inconsistent. Complex websites simply don’t work.

I would not recommend using it for any sustained browsing. It feels like a contingency feature rather than a serious tool.

Overall Impression

The absence of third-party app support is a defining characteristic of the Kindle platform. If you are accustomed to Android-based e-ink tablets with expandable functionality, the Kindle will feel constrained.

However, within its tightly defined boundaries, Amazon has integrated a small number of services that reinforce its ecosystem: Microsoft Word for document workflows, Goodreads for social reading, and Send to Kindle for web content ingestion.

It is not expansive, but it is coherent.

Whether that feels reassuring or restrictive depends entirely on what you expect from your device.

Final Verdict

I find Kindle software to be exceptionally clean, intuitive, and approachable. Navigation is obvious. Menus are restrained. Features are presented coherently. There is very little cognitive friction.

However, part of that simplicity derives from exclusion.

Kindle devices are not meaningfully interoperable with other ecosystems. If you use a Kindle, you are, in practical terms, committing yourself to purchasing books from Amazon (aside from DRM-free or public domain titles). You do not have the latitude of an Android-based e-reader where third-party apps can be installed to expand functionality.

That constraint is real.

Where Kindle unquestionably excels is in its native reading application.

It is mature, refined, and deeply considered. The typesetting controls are comprehensive without being overwhelming. The English dictionary integration is superb – genuinely among the best available on any e-reading device. Annotation tools are abundant yet elegantly implemented.

The ability to insert handwritten notes directly between paragraphs while reading is something no other device currently does with comparable polish. For readers who annotate heavily, particularly with handwriting, Kindle’s reading software is arguably second to none.

It feels purposeful rather than experimental.

The native note-taking app, however, is not at the same level as the leading dedicated e-ink tablet manufacturers.

To Amazon’s credit, it has improved considerably since the original Kindle Scribe release in 2022, which was about as rudimentary as you could get. But it still lacks:

• Notebook structuring via sections or table of contents
• Handwriting search
• Custom template support
• Advanced navigation tools for large notebooks (e.g. links)

For short-form writing or notebooks with modest page counts, it works very well. Once notebooks extend into double or triple digits, navigation becomes increasingly cumbersome. There is no robust internal structure to prevent them from becoming long, undifferentiated scrolls of pages.

Having said that, latency is minimal, the writing feel is excellent, and the interface is clean. And the features that do exist are implemented to a high standard. The limitation is breadth, not polish.

If you are comfortable remaining within Amazon’s ecosystem and your primary use case is reading and annotating, a Kindle device is an excellent choice.

If, however, your focus leans toward complex, large-scale note-taking projects requiring structural hierarchy and deep organisational tools, the Kindle Scribe’s software will likely feel restrictive.

Kindle software embodies a clear philosophy:

• Prioritise reading above all else.
• Reduce complexity.
• Optimise for stability and cohesion.

That philosophy produces a user experience that is calm, reliable, and carefully refined.

As I said earlier, Amazon Kindle is a walled garden, but within its walls, everything works exactly as intended.

Whether that feels liberating or limiting depends entirely on what you expect from your device.

Firmware overview

Reviews of Older Versions of Kindle Firmware

My rating	Firmware version	Tablets using this firmware
	5.19 (current version) Feb 2026	Kindle Scribe 2024 Kindle Scribe
	5.18 Apr 2025	Kindle Scribe Colorsoft 2025 Kindle Scribe 2025
	5.17 Feb 2025
	5.16 Dec 2024

Kindle E-Ink Tablets

My rating	Item	Description
	Kindle Scribe*	10.2" monochrome
	Kindle Scribe 2024*	10.2" monochrome
	Kindle Scribe Colorsoft 2025*	11" color
	Kindle Scribe 2025*	11" monochrome