# Xteink X4 e-reader: Skip for most book lovers

> Xteink X4 e-readers won't work for most readers due to DRM file limits
- Title: Xteink X4 e-reader: Skip for most book lovers · Mashable
- Summary: Xteink X4 e-readers won't work for most readers due to DRM file limits Xteink X4 only supports DRM-free EPUB files, which most e-books aren't
- Keywords: xteink, xteink x4, e-reader, drm-free, epub, kindle, kobo, libby, netgalley, public domain, technology, culture
- Source: Mashable — https://mashable.com/tech/xteink-mini-e-readers-explainer
- Author: Samantha Mangino
- Published: 2026-09-17T16:03:44+00:00
- Read time: 1 min
- Topics: xteink, xteink x4, e-reader, drm-free, epub, kindle, kobo, libby, netgalley, public domain, technology, culture
## Xteink X4: Mini e-reader
The Xteink X4 is a pocket-sized e-reader that fits on your phone back. It's marketed as a Kindle companion.
## Limited file support
Xteink X4 only works with DRM-free EPUB files, not the common formats from Kindle, Kobo, or Libby.
## Most books won't work
Books from Kindle, Kobo, or Libby are DRM-protected and incompatible with Xteink X4.
## DRM issue explained
Amazon removed the ability to download DRM-free files in February 2025, limiting e-reader compatibility.
## Best for classics
Xteink X4 works best with public domain books, as DRM-free EPUBs are mostly classics.
## Key takeaway

Xteink X4 only supports DRM-free EPUB files, which most e-books aren't