The Xteink X4 E-Ink Reader

🫧 Open on Bubbles I’ve had the Xteink X4 for a couple of months now, a £40 e-ink reader small enough to stick to the back of a phone. I’d seen a few posts about it ( Khairul Selamat , Neil Brown , joelchrono , and moddedbear among them), so I got curious and ordered one. First impressions Out of the box, the X4 is lightweight, properly light, the kind where I’d forget it’s in my pocket. The display is crisp for its size, and the device ships with a branded 16GB microSD card (cute touch) plus a card reader a