Xteink X4 E-Reader Review: Tiny, Affordable, but Frustratingly Limited? (2026)

The Xteink X4 e-reader is a compact device with a love-hate relationship. At just $69, it's one of the most affordable e-readers, but it's a double-edged sword. While it's incredibly pocket-friendly, its functionality and user experience are far from perfect.

Size and Portability: The X4 is a marvel of miniaturization, even smaller than the already compact Kobo Mini and E Ink smartphones. Its 4.3-inch E Ink screen and slim bezels make it a joy to hold and carry around. But here's where it gets controversial—the very feature that makes it so appealing can also be a source of frustration.

Magnetic Attachment: Xteink's marketing images show the X4 attached to an iPhone using MagSafe, offering a unique dual-screen setup. However, this feature is not without its issues. Many users, including myself, have found that the magnets don't align properly with newer iPhone models, making the attachment impractical. Xteink acknowledges this problem, blaming it on limited testing with certain iPhone models during development.

Workaround and Compromises: To address the alignment issue, Xteink provides magnetic adhesive rings, but this doesn't solve the problem entirely. The X4 also extends beyond the iPhone's bottom, making it awkward to use together. As a result, I found myself using the X4 as a standalone e-reader, which it excels at due to its slim profile and included magnetic case.

Display and Features: The X4's display is a mixed bag. Its 220ppi resolution is lower than the latest Kindle and Kobo e-readers, resulting in slightly jagged text if you look closely. Additionally, the lack of screen lighting and a touchscreen can be frustrating, especially when combined with the unintuitive button layout. The buttons are not labeled, and their functions change depending on the UI, making navigation a challenge.

Limited Software and File Support: Unlike some E Ink smartphones that run Android, the X4 is a dedicated reading device with limited file support. It only supports TXT, EPUB, JPG, and BMP files, and even then, loading images and illustrations can be hit or miss. The absence of a built-in bookstore means you'll need to source your own DRM-free EPUB files, which can be a hassle. Transferring files to the X4 is also not straightforward, as it doesn't mount as a storage device when connected to a computer.

Reading Experience: Reading on the X4 is a mixed bag. While dedicated page turn buttons are a plus, the lack of text formatting options and proper image display can be disappointing. You'll find yourself longing for the customization options available on Kobo or Kindle devices. Navigating through chapters and settings is unnecessarily complicated, and the overall experience feels like a step back from more user-friendly e-readers.

Community-Driven Improvements: Despite its shortcomings, the X4 has a dedicated community working to enhance its capabilities. Installing CrossPoint Reader, an open-source firmware, significantly improves the X4's UI, adds more customization options for ebooks, and provides onscreen button labels. This community effort transforms the X4 into a more user-friendly device, albeit one that requires some technical know-how to unlock its full potential.

Conclusion: A Trade-off Between Size and Functionality: The X4 is a unique e-reader that prioritizes portability over features. It's an excellent choice for those who value pocketability and are willing to tinker with third-party firmware. However, if you're looking for a seamless reading experience with all the bells and whistles, you might want to consider other options. The X4's community-driven improvements are impressive, but they also highlight the device's initial limitations. So, is the X4's compactness worth the trade-offs? That's a question for you to decide, and I'd love to hear your thoughts in the comments below.

Xteink X4 E-Reader Review: Tiny, Affordable, but Frustratingly Limited? (2026)
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