CrumBLE - A fork of CrossInk that delivers Bluetooth support, dictionary, highlighting bookmarks, Collections, Bookshelf, on-demand sleep screen cycling, and more!
Pre-bake your books with the enhanced EPUB optimizer to load new chapters and images instantly!
Supports X4 | X3
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.
CrumBLE
vcrumble-v4.5.3 X4 · X3
62 stars
3 forks
Last release: Jun 2026
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Page updated: Jul 18, 2026
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