CrossPort

CrossPort is the companion iOS app for e-ink readers running CrossPoint, an open-source third-party firmware for Xteink X4, X3, and compatible devices. Also works with alternative firmwares based on CrossPoint. Manage your books, wallpapers, and files — all over WiFi.

LIBRARY & READING
• Browse your full book library with cover art from Open Library, Apple Books, and Google Books
• Track reading progress synced bidirectionally with your device
• Built-in EPUB reader for reading on your phone with automatic progress sync back to the device
• Download books to read on the go, upload from your phone to the device

WALLPAPER
• Add custom sleep screen wallpapers from your photos or files
• Preview how wallpapers look on your device with a realistic e-ink display simulation
• Send wallpapers to your device with one tap

FILE MANAGEMENT
• Browse, upload, rename, move, and delete files on your device
• Upload progress tracking for large files
• Automatic EPUB optimization with image compression
• Smart filename cleanup for archive downloads

SMART FEATURES
• Automatic device discovery on your local network
• Book cover art from multiple sources with EPUB fallback
• XTC/XTCH file upload and management
• Home screen widget showing your current read
• Deep link support for quick access from widgets

Requires a device running CrossPoint or a compatible firmware with WiFi file transfer mode enabled. Works with the Xteink X4, X3, and other supported devices.