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PhonesSep 7, 20264 min read

Xiaomi's 18 Fold finally gives two apps a screen each

Xiaomi's first wide foldable pairs a paper-ratio inner display with its own XRing O3 chip, but the launch leaves durability and global availability unanswered.

ByMobileTech Desk

The Xiaomi 18 Fold is not trying to be the thinnest imitation of a normal phone. Closed, its 5.38-inch cover is short and wide, closer to a passport than a candybar. Open it and the 7.58-inch inner panel lands at about 1.4:1 — Xiaomi's paper-page ratio, a shade wider than Samsung's 4:3 Galaxy Z Fold 8. Two portrait apps get a proper column each, which is the whole point of the shape.

That is a pointed answer to years of book-style foldables whose cover screens are easy to use but whose inner displays can feel awkward for video, typing and split-screen work. The catch is equally plain: Xiaomi has announced the phone only for China, beginning at 10,999 yuan, with no global release confirmed.

A small outside screen is the feature, not the penalty

The cover display has a 1,712 by 1,168 resolution, while the inner panel runs at 2,364 by 1,672. Both are LTPO AMOLED screens with a 1-120Hz refresh range and a claimed 4,000-nit peak. Xiaomi also uses an anti-reflective film and a dual-layer ultra-thin glass structure on the folding panel. The company says that structure is 178% stronger and 29% more impact-resistant than the one in its 2024 Mix Fold 4. Those are laboratory comparisons supplied by Xiaomi, not independent drop-test results.

At IFA, before the China launch, Xiaomi showed the hardware on the show floor. GSMArena's unit sat behind glass, so there was no crease-by-touch verdict, but the rounded corners stood out against the Fold 8's boxier outline. Lim Reviews posted an IFA walkthrough of the same phone. Attractive show-floor units are not evidence of hinge longevity, crease behaviour or comfortable one-handed use.

The chassis weighs 219g and measures 10.68mm folded, according to the launch specifications. IP58 and IP59 ratings give it meaningful dust and water protection, though buyers should not translate those numbers into permission for carefree beach use. A folding screen still has a soft surface and moving hardware.

XRing O3 makes this more than a screen experiment

Inside is Xiaomi's new XRing O3, a ten-core Arm system-on-chip with a 16-core GPU and a peak CPU clock of 4.35GHz. Xiaomi claims 52% more performance than its first-generation XRing O1 and says the O3 can outperform Apple's A19 Pro. No independent benchmark suite, sustained-load test or power analysis accompanied the launch coverage, so those figures belong in the promises column for now.

The choice is strategically interesting even before reviewers obtain numbers. Foldables place unusual pressure on efficiency and thermal design: a thin half-chassis has less room to spread heat, while the big inner display invites long multitasking and gaming sessions. Until someone runs the O3 in this chassis under load, the efficiency story is still a slide.

Xiaomi pairs the chip with 12GB or 16GB of RAM and 256GB to 1TB of storage. The 6,000mAh battery is unusually large for a 219g foldable, and supports 67W wired and 50W wireless charging. That capacity beats Samsung's 4,800mAh Galaxy Z Fold 8 by a useful margin. Capacity alone does not settle endurance, however: display area, modem behaviour, software and the untested O3 all affect the result.

The camera list refuses the usual foldable excuse

A 200MP main camera with a 1/1.56-inch sensor is joined by a 50MP ultrawide and a 50MP periscope telephoto with 3.5x optical zoom. Optical stabilisation is listed for the main and telephoto modules. Notebookcheck reports 8K recording at 24fps and 1080p slow motion at up to 960fps. It is a fuller hardware set than buyers often receive in a thin foldable, but Leica branding and megapixels cannot answer questions about motion, skin tones or low-light consistency.

There are practical niceties too: USB 3.2 Gen 2 rather than slow USB 2 transfer, Wi-Fi 7, Bluetooth 6.0, ultra-wideband and an IR blaster. The fingerprint sensor remains on the side, a sensible place on a device that changes shape.

The buying advice is frustratingly simple

Chinese pricing runs from 10,999 yuan for 12GB/256GB to 14,999 yuan for 16GB/1TB. A limited ceramic edition, capped at 1,500 units, costs 15,999 yuan. Android Authority notes that the base price sits above the Chinese launch prices of Oppo's Find N6 and Honor's Magic V6. Importing would add warranty, network-band and software-service complications before taxes enter the calculation.

For buyers outside China, the correct move is to admire the geometry and wait. Compact cover, roomy split-screen canvas, big battery, no token camera system: the spec sheet is the argument. Xiaomi has not yet produced independent proof of durability, XRing O3 efficiency or a sales plan beyond its home market. A clever shape is worth attention. It is not worth becoming your own importer and warranty department.

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