Biscuit treats the Xteink X4 as a general-purpose smart device, not just an e-reader. The home screen is a tile-based dashboard with live system info (battery, heap, uptime, WiFi status). Reading is one of eight categories, not the main focus.
Xteink X4 & X3
Beyond the default. Your reader, your way.
Community and official firmwares that change how you read—different interfaces, features, and workflows. Discover alternatives that fit you.
biscuit.
v0.1.0 X4
289 stars
11 forks
Last release: Apr 2026
Page updated: May 26, 2026
More firmwares to discover
Other alternatives for your Xteink reader.
