Xiaomi 18 Fold Turns the Foldable Phone Into a Wider Mini-Tablet

As of Thursday, October 22, 2026, the Xiaomi 18 Fold stands out because it does not simply copy the tall-and-narrow formula common to many book-style foldables. Notebookcheck’s October 20, 2026 review highlights its unusually wide form factor, which makes the opened device feel less like a stretched phone and more like a small tablet for reading, browsing, multitasking, and document work. The inner display measures 7.58 inches with a 4.24:3 aspect ratio and a 2364 x 1672 resolution, while the cover display is a 5.38-inch AMOLED panel with a 1712 x 1168 resolution and 120 Hz refresh rate. That smaller outer panel is not chasing the largest possible phone-like experience; instead, the appeal is that the device becomes meaningfully roomier when unfolded. (notebookcheck.net)

Inside, the Xiaomi 18 Fold uses Xiaomi’s in-house Xring O3 processor, a 10-core chip listed with two ARM C1-Ultra cores at 4.4 GHz, four C1-Premium cores at 3.6 GHz, and four C1-Pro cores at 3.2 GHz. Graphics are handled by an ARM Mali G2-Ultra NX MP16 GPU. The reviewed configuration includes 16 GB of LPDDR6 memory and 1 TB of UFS 4.1 storage, while Notebookcheck lists storage variants starting at 12 GB / 256 GB and going up to 16 GB / 1,024 GB. Connectivity is also broad, with USB 3.1 Gen2, USB-C Power Delivery, NFC, UWB, infrared, dual nano-SIM support, 5G, Bluetooth 6.0, and Wi-Fi 7 listed, although the phone does not support the 6 GHz Wi-Fi band. (notebookcheck.net)

Compare it with a foldable rival: See Samsung Galaxy Z Fold 7 price

The display package is a major part of the 18 Fold’s pitch. Notebookcheck praised the phone’s bright, color-accurate OLED panels and noted that the fold in the inner screen is barely visible in everyday use. Camera hardware is also ambitious for a foldable: the rear setup is listed as a 200 MP main camera with OIS, a 50 MP telephoto camera with 3.5x optical zoom and OIS, and a 50 MP ultra-wide camera, joined by a 16 MP front camera. The device also carries a 6,000 mAh silicon-carbon battery, and in Notebookcheck’s Wi-Fi web-surfing test it reached 26 hours and 46 minutes, which is an unusually strong figure for this class. Charging is listed at up to 67 W wired and 50 W wireless. (notebookcheck.net) (notebookcheck.net)

For a camera-focused flagship alternative, see Samsung Galaxy S26 Ultra price

The Xiaomi 18 Fold is not positioned as a simple global alternative to a Samsung Galaxy Z Fold device. Notebookcheck states that, at the time of testing, it was intended exclusively for the Chinese market, even though it could be imported. The software is HyperOS 4.0 based on Android 17, with Google services working after setup and a wider language selection than earlier Chinese Xiaomi models. However, the tested import software still had practical limits: Android Auto did not work, Wear OS pairing had restrictions, update support was not clearly guaranteed, and there is no full eSIM support. For users outside China, those details may matter as much as the hardware. (notebookcheck.net)

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What makes the 18 Fold interesting is not just that it is powerful, thin, or packed with cameras; it is that the wider layout changes the feel of the product. Opened up, it gives apps more horizontal breathing room, which can make web pages, notes, PDFs, spreadsheets, split-screen views, and photo galleries feel more natural than they do on narrow foldables. At the same time, the trade-offs are clear: weak speakers, no 6 GHz Wi-Fi, no eSIM, possible display flicker sensitivity, Android Auto limitations, and uncertain long-term updates keep it from being a universally easy recommendation. The Xiaomi 18 Fold is better understood as a bold foldable concept: a pocketable phone that leans harder into the compact-tablet idea than many of its rivals. (notebookcheck.net)

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