Skip to content

Books · e-reader firmware

CrossPoint Reader

Hacker Approved

Free open-source firmware that flashes easily and formats books better than stock; critics cite weak Kindle sync, no backlight and a maker lock-down attempt.

Summarized from 72 comments.

Free open-source firmware that flashes easily and formats books better than stock; critics cite weak Kindle sync, no backlight and a maker lock-down attempt.

recommend
60
criticize
3
months recommended
8 of 13
median owned, 5 owners said
0.2 years

Why people love it

  • Better book formatting than stock · 6

    chucked this dudes custom firmware on it to make formatting and usability a lil bit better

    May 2026 · comment

    I reflows much better than stock. It also fixes the lack of space between paragraphs.

    Jun 2026 · comment

    The innovation of getting respectable book formatting running on ESP32 is remarkable.

    Sep 2026 · comment
  • Easy to flash · 5

    It’s easy to flash and an opus call away to change the behavior if you want something to work differently.

    Apr 2026 · comment

    Crosspoint took ten minutes to flash, and is head-and-shoulders above the stock FW.

    Sep 2026 · comment

    Crosspoint is very popular and very easy to flash onto the device.

    Jun 2026 · comment
  • Owners say they love it · 4

    Overall I love the device, it's making it easy to pull up the phone and read a couple of pages

    Jun 2026 · comment

    I recently bought an X4, put crosspoint on it, and have been loving it.

    Jun 2026 · comment

    It's great! (And I've been reading a lot more.)

    Jul 2026 · comment
  • Syncs with KOReader · 3

    With crosspoint, you can sync your page position with koreader on a larger form factor device.

    Sep 2026 · comment

    kosync that comes with crosspoint and I'm working on a way to sync back to kindled too

    Jul 2026 · comment

    now seems to get stuck in discussions

    May 2026 · comment

What people warn about

  • Sync doesn't work with Kindle · 2

    I doubt the experience is so seamless with Crosspoint, and of course the progress won't sync.

    Sep 2026 · comment

    kosync that comes with crosspoint and I'm working on a way to sync back to kindled too

    Jul 2026 · comment

What hackers pick instead

Every quote

The 40 most detailed of 72 comments. Each links to the original.

  1. It’s easy to flash and an opus call away to change the behavior if you want something to work differently.

    Recommends · Apr 2026 · in “Amazon is discontinuing Kindle for PC on June 30th”

  2. Overall I love the device, it's making it easy to pull up the phone and read a couple of pages

    Recommends · Jun 2026 · in “The Xteink X4 E-Ink Reader”

  3. With crosspoint, you can sync your page position with koreader on a larger form factor device.

    Recommends · Sep 2026 · in “How my e-reader lost its stripes”

  4. chucked this dudes custom firmware on it to make formatting and usability a lil bit better

    Recommends · May 2026 · in “Kindle loyalists scramble as Amazon turns page on old e-readers”

  5. kosync that comes with crosspoint and I'm working on a way to sync back to kindled too

    Mixed · Jul 2026 · in “Freeink: Open Ecosystem for E-Readers”

  6. I reflows much better than stock. It also fixes the lack of space between paragraphs.

    Recommends · Jun 2026 · in “The Xteink X4 E-Ink Reader”

  7. The innovation of getting respectable book formatting running on ESP32 is remarkable.

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  8. Crosspoint took ten minutes to flash, and is head-and-shoulders above the stock FW.

    Recommends · Sep 2026 · in “How my e-reader lost its stripes”

  9. I recently bought an X4, put crosspoint on it, and have been loving it.

    Recommends · Jun 2026 · in “The Xteink X4 E-Ink Reader”

  10. Crosspoint is very popular and very easy to flash onto the device.

    Recommends · Jun 2026 · in “The Xteink X4 E-Ink Reader”

  11. flashed crosspoint using the SD card method which wasn't difficult

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  12. Kerning and hyphenation is also better than the stock firmware

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  13. Crosspoint is a big improvement over the vanilla firmware

    Recommends · May 2026 · in “Biscuit”

  14. has progressed much further and has better KOReader sync

    Recommends · May 2026 · in “Community firmware for the Xteink X4 e-paper reader”

  15. It's great! (And I've been reading a lot more.)

    Recommends · Jul 2026 · in “How to Read More Books”

  16. I've been loving my x4 flashed with crosspoint.

    Recommends · May 2026 · in “A Tiny E Reader”

  17. For installing CrossPoint, that is very easy.

    Recommends · Sep 2026 · in “How my e-reader lost its stripes”

  18. I doubt the experience is so seamless with Crosspoint, and of course the progress won't sync.

    Criticizes · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  19. now seems to get stuck in discussions

    Criticizes · May 2026 · in “Community firmware for the Xteink X4 e-paper reader”

  20. flash it with Crosspoint[1], carry it in your pocket and read books on an e-ink display wherever you are.

    Recommends · Feb 2026 · in “Hacking an old Kindle to display bus arrival times”

  21. There's a font manager in Crosspoint and Witch, you can download that font directly from the device.

    Recommends · Jul 2026 · in “Freeink: Open Ecosystem for E-Readers”

  22. They do support however OPDS libraries and I happily use it for news where each file is a daily epub

    Recommends · Aug 2026 · in “I turned my RSS feeds into an e-ink newspaper to stop reading on my phone”

  23. I know it's not hard to do, but I needed it to work first time before my summer holiday

    Mixed · Jul 2026 · in “Freeink: Open Ecosystem for E-Readers”

  24. CrossPoint has a way to bypass said flash block if you look at their repo or website

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  25. CrossPoint firmware is neat and OSS, so you can for and DIY whatever you can imagine

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  26. Seeing the improvements it provided was partly what convinced me to buy the device.

    Recommends · Apr 2026 · in “Amazon is discontinuing Kindle for PC on June 30th”

  27. you need to be running CrossPoint to load the fonts so have that flashed on first

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  28. With the news about them attempting to lock it down I can't recommend it anymore.

    Mixed · May 2026 · in “Community firmware for the Xteink X4 e-paper reader”

  29. So far it's been the most stable and the UI feels more intuitive than the others

    Recommends · Jul 2026 · in “Freeink: Open Ecosystem for E-Readers”

  30. crosspoint made this thing the best bang for your buck purchase in the milky way

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  31. My only complaint about the reader is no backlight. Everything else is great.

    Mixed · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  32. Downloads the linked HTML page for offline viewing and formats it nicely.

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  33. Crosspoint lots of features. They just added offline dictionary support

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  34. it's lightweight and preserves the battery much like original OS

    Recommends · Sep 2026 · in “Tiny $70 Xteink X3 e-reader”

  35. I liked the interface of Crosspoint/Crossink marginally better

    Recommends · Jun 2026 · in “The New Bibliomaniacs”

  36. I am running a community build of Crosspoint Reader on mine

    Recommends · Apr 2026 · in “The tiniest e-reader in the world, and you can build one yourself”

  37. just buy an xteink-x3 with CrossPoint or PocketBook

    Recommends · Sep 2026 · in “Chopping up books when they're physically too big”

  38. the community has this firmware called CrossPoint

    Recommends · Mar 2026 · in “Ask HN: What Are You Working On? (March 2026)”

  39. quite pleased with both the software and hardware

    Recommends · May 2026 · in “Community firmware for the Xteink X4 e-paper reader”

  40. And Crosspoint OS itself is still really nice.

    Recommends · Jul 2026 · in “Freeink: Open Ecosystem for E-Readers”

Counts from 1,795,640 Hacker News comments, Nov 2025 to Nov 2026. How we count · Report a mistake