Owner-tested setup, book transfer, custom firmware, and how-to guides for the Xteink X3 & X4 pocket e-readers.https://pocketink.dev/en-ushttps://pocketink.dev/blog/x3-nfc-iphone-hotspot-shortcut/https://pocketink.dev/blog/x3-nfc-iphone-hotspot-shortcut/Tap your Xteink X3 to your iPhone and a community iOS shortcut auto-joins its hotspot and opens the file manager. Setup, the iCloud link, and Android tips.Thu, 18 Jun 2026 00:00:00 GMThow-tohttps://pocketink.dev/blog/how-to-transfer-books-to-xteink-x4/https://pocketink.dev/blog/how-to-transfer-books-to-xteink-x4/How to transfer books to Xteink X4 four ways: SD card, Wi-Fi upload, the CrossPoint Sync app, and Calibre, plus format tips, troubleshooting, and Kindle notes.Thu, 18 Jun 2026 00:00:00 GMThow-tohttps://pocketink.dev/blog/xteink-firmware-comparison-crosspoint-crossink-microreader-papyrix/https://pocketink.dev/blog/xteink-firmware-comparison-crosspoint-crossink-microreader-papyrix/CrossPoint vs Microreader xteink, with CrossInk and Papyrix: an honest xteink firmware comparison to choose the best Xteink X4 custom firmware for you.Thu, 18 Jun 2026 00:00:00 GMTguidehttps://pocketink.dev/blog/xteink-x4-pre-purchase-reality-check/https://pocketink.dev/blog/xteink-x4-pre-purchase-reality-check/An honest Xteink X4 review before you buy: no Libby, no USB transfer, no backlight, a fragile 4.3-inch screen — plus the surprises and who should wait.Thu, 18 Jun 2026 00:00:00 GMTreviewhttps://pocketink.dev/blog/old-kindle-store-access-ended-alternatives-under-100/https://pocketink.dev/blog/old-kindle-store-access-ended-alternatives-under-100/Old Kindle no longer supported after Amazon's 2026 cutoff? What still works, what not to reset, how to back up your books, and real alternatives under $100.Wed, 17 Jun 2026 00:00:00 GMTguidehttps://pocketink.dev/blog/xteink-x4-vs-s4-vs-x4-v2-pro/https://pocketink.dev/blog/xteink-x4-vs-s4-vs-x4-v2-pro/Xteink X4 vs S4 (and X4 V2 Pro): a buyer's guide for mid-2026. The X4 ships now from $69; the S4 and V2 Pro are still rumored. A clear pick for every reader.Wed, 17 Jun 2026 00:00:00 GMTguidehttps://pocketink.dev/blog/xteink-s4-everything-we-know/https://pocketink.dev/blog/xteink-s4-everything-we-know/What's leaked about the Xteink S4 Android e-reader: rumored specs, the announcement timeline, how it compares to the X4, and why firmware fans should care.Tue, 16 Jun 2026 00:00:00 GMTguidehttps://pocketink.dev/blog/xteink-first-week-setup-checklist/https://pocketink.dev/blog/xteink-first-week-setup-checklist/Your xteink first week setup, step by step: inspect the device, load a few clean books, flash firmware safely, protect the screen, and actually start reading.Mon, 15 Jun 2026 00:00:00 GMThow-tohttps://pocketink.dev/blog/xteink-locked-or-unlocked-buying-guide/https://pocketink.dev/blog/xteink-locked-or-unlocked-buying-guide/Is my Xteink locked? What the firmware lock means, which X3 and X4 units ship that way, a two-minute arrival-day USB test, and what to do if yours is locked.Mon, 15 Jun 2026 00:00:00 GMTguidehttps://pocketink.dev/blog/xteink-x3-vs-x4-model-choice/https://pocketink.dev/blog/xteink-x3-vs-x4-model-choice/Xteink X3 vs X4 buying guide based on how people use a pocket e-reader: carry, reading comfort, charging cables, NFC, firmware, and Kindle expectations.Mon, 15 Jun 2026 00:00:00 GMTguidehttps://pocketink.dev/blog/flash-crosspoint-xteink-x3-x4/https://pocketink.dev/blog/flash-crosspoint-xteink-x3-x4/How to flash CrossPoint Xteink without bricking it: the in-browser flasher, SD-card and esptool paths, the locked-device route, and how to recover a bad flash.Mon, 15 Jun 2026 00:00:00 GMThow-tohttps://pocketink.dev/blog/xteink-x4-buy-setup-flash-guide/https://pocketink.dev/blog/xteink-x4-buy-setup-flash-guide/Owner's guide to the Xteink X4 pocket e-reader: hardware, stock firmware limits, getting books on, locked-device risk, and why CrossPoint reader changes things.Sun, 14 Jun 2026 00:00:00 GMTguidehttps://pocketink.dev/blog/xteink-x4-stock-firmware-issues/https://pocketink.dev/blog/xteink-x4-stock-firmware-issues/The Xteink X4 stock firmware issues that show up most on Xteink Reddit — sorted from hardware limits and flashing risk, plus the CrossPoint fixes that help.Sun, 14 Jun 2026 00:00:00 GMTguide