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Xteink X4 — Review Summary

Main Features and Use

• Extremely small and thin: about 4.9 mm thick, roughly the size of a business card and about as light as a large egg. It fits easily in many pockets or a small bag.
• No touchscreen: page turns and menus are controlled with physical buttons. Reading is simple once learned, though button-based text entry is slow.
• Supports EPUB files only; the reviewer could not open PDFs on the X4.
• Books can be transferred using a cable or a Wi-Fi-based process accessed through a phone or computer. Setup is manageable at home, but entering a new Wi-Fi or hotspot password is inconvenient.
• The initial interface is in Chinese, but it can be switched to English. Polish is not available.
• Recent software can download cover images for some files. The device is still being developed, with add-ons and browser extensions reportedly allowing articles and newsletters to be sent to it.
• Battery life is long enough that the reviewer does not need to think about charging it regularly—roughly every week or two, depending on use.
• It can be attached to the back of a phone, though the reviewer did not consider this especially useful.

Pros

• Portability is the standout strength: it is easy to keep close and pick up for a quick reading session, including in bed or while away from home.
• Simple operation and long battery life.
• The reviewer says it has led to reading more digital books than ever before and has become their primary reading device.
• Its minimal design and lack of phone apps may help reduce scrolling and encourage reading.

Cons and Concerns

• Durability is uncertain: this is the reviewer’s second X4. The first one’s screen stopped working after a few months. It had been carried in a bag without screen protection and exposed to warm summer rain, so the reviewer could not determine whether the damage was their fault or a product weakness.
• EPUB formatting can take adjustment: the reviewer found the page layout loose, with words spread out, and some legally purchased EPUBs displayed missing letters or odd symbols.
• No PDF support is a significant limitation, particularly for books supplied as pre-release PDFs.
• Button-only navigation is intuitive for reading but tedious for entering Wi-Fi passwords.
• Transferring books is less straightforward than on Kindle, where the reviewer could send a book by email or use an app.
• The device’s Chinese origin raises ethical concerns for the reviewer, though they acknowledge that ethical purchasing is difficult across consumer electronics generally.

Comparisons and Context

• Kindle: The reviewer’s ten-year-old Kindle remains functional and is praised for its build quality and reliability, though its battery has weakened and the screen has a small blemish. The reviewer worries it may eventually lose support or updates. Kindle is easier for transferring books, while the X4 is far more compact.
• Onyx Boox Palma: A compact, smartphone-sized reader, but its phone-like size and thickness made reading feel strange to the reviewer. The X4 is smaller and more pocketable.
• Reading on a phone: The reviewer considers a smartphone a poor general solution for reading, despite using an app that restricts other apps until a few pages have been read. They found the X4 easier to reach for and use without the distractions of a phone.
• Paper books: The reviewer still reads a lot on paper; the X4 adds a convenient digital option rather than replacing that preference.

X4 Pro: Unboxing Only

The reviewer briefly unboxes the newer Xteink X4 Pro but does not test it in this video. They note that it feels somewhat heavier, has a touch button and a magnetic charging accessory, and is advertised as supporting PDFs and having a front-lit screen. The reviewer likes the magnetic connection but worries that losing the special charger could be a problem. They plan to test the Pro separately, so these features are not yet confirmed by their own use.

Verdict

The reviewer’s overall view of the X4 is strongly positive despite its limitations: it is a highly convenient, unusually portable reader that has substantially increased their digital reading. It is best suited to people who mainly read EPUBs and value portability over broad format support, easy file transfers, or proven durability. No numerical rating was given.

Speaker Perspective

All opinions and experiences in the subtitles come from the single reviewer, Kacper Kapsa.