Which mini Xteink ereader should you buy? I've crunched the numbers on all 4 models — here's my verdict as an X4 Pro owner

The Xteink X4 Pro

(Image credit: Future)

The Xteink S4 might be the tiny ereader you’ve been waiting for, as unlike other Xteink devices — and rival products like the Boox Picco — this runs Android.

That comes with various upsides, not least the ability to directly access the Kindle and Kobo apps, the absence of which is something I’ve been lamenting about my Xteink X4 Pro, but it also has some downsides.

So should you wait for this currently…