Inx

Inx is a community firmware for the Xteink X4. It is focused on a cleaner reading experience, better EPUB support, native image rendering, and practical device tools.

What you can do:

• Read EPUB, XTC / XTCH, TXT, and MD files.
• Browse books from Recent, Library, Settings, Sync, and Statistics tabs.
• Use EPUB features such as bookmarks, annotations, go-to-percent, table of contents, per-book settings, and KOReader sync.
• Render JPEG, PNG, and BMP images directly.
• Use 1-bit or 2-bit image rendering.
• Cache rendered images and system data for faster repeat loads.
• Use custom sleep screens, JPEG wallpapers, recent-book sleep screens, or transparent cover sleep screens.
• Connect to Wi-Fi, Calibre, OPDS catalogs, KOReader sync, and the local web file manager.
• Tune reader layout, buttons, fonts, status bar, refresh behavior, and display options.

Main features:

Reader

• EPUB paging with saved progress.
• EPUB text annotation and highlight support.
• EPUB bookmarks.
• Go to a specific percentage in an EPUB.
• Table of contents, bookmark, annotation, and footnote navigation from the in-book menu.
• Per-book reader settings.
• Reading statistics.
• KOReader sync support.
• TXT / MD reader.
• XTC / XTCH reader with chapter selection.

Images

• Native JPEG rendering.
• Native PNG rendering.
• BMP rendering.
• JPEG wallpapers.
• 1-bit and 2-bit image modes.
• Display cache for faster repeated image draws.
• Improved image scaling and dithering.
• Cover and sleep-screen rendering options.

Library

• Recent books page.
• Folder-based library browser.
• Flat all-books view.
• Favorites.
• Sort options.
• Optional indexed library mode for faster browsing.

Display

• Text anti-aliasing.
• Configurable refresh frequency.
• Sunlight fade fix.
• Sleep screen modes:
• Dark
• Light
• Custom image
• Recent book
• Transparent cover
• None
• Custom sleep images from /sleep/ or /sleep.bmp.

Sync & Network

• Join Wi-Fi networks.
• Create a hotspot.
• Connect to Calibre.
• Browse OPDS catalogs.
• Use KOReader sync.
• Upload files through the local web interface.

Settings

Settings are split into simple System and Reader panels.

System settings include:

• Sleep screen.
• Sleep image picker.
• Recent page mode.
• Button layout.
• Power button behavior.
• Time to sleep.
• Library indexing.
• Cache clearing.
• KOReader, OPDS, Calibre, and OTA update tools.
• About page with device memory information.

Reader settings include:

• Font family and size.
• Line spacing.
• Screen margins.
• Paragraph alignment.
• Reading orientation.
• Hyphenation.
• Page navigation mapping.
• Auto page turn.
• Text anti-aliasing.
• Image grayscale / 2-bit rendering.
• Status bar layout.