From Mashable · Samantha Mangino · · 50s
Xteink X4 e-reader: Skip for most book lovers
Xteink X4 e-readers won't work for most readers due to DRM file limits
In brief
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 Originally reported by Mashable.
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.
What it means
Xteink X4 only supports DRM-free EPUB files, which most e-books aren't
