Xiaomi 18 Fold Passport Design and Xring O3 Chip

The Xiaomi 18 Fold is a flagship foldable smartphone developed by Xiaomi, officially unveiled ahead of a September 7 launch in China. It features an ergonomic wide “passport” aspect ratio and debuts Xiaomi's proprietary 3nm deca-core Xring O3 processor. The device seeks to solve premium foldable trade-offs by pairing a 6,5-inch LTPO folding display, and a 6,000 mAh battery, positioning itself as a direct rival to the Samsung Galaxy Z Fold8 Ultra and Apple's anticipated foldable. The device is showcased in a signature Nishino Red colourway and includes a Leica-branded camera system with a 200MP main sensor.

Key Facts

The Xiaomi 18 Fold is a foldable smartphone with key specifications defined by its wide passport form factor, in-house silicon, and large battery capacity. The following table summarizes its core attributes based on official and reported information.

**The Xiaomi 18 Fold launches in China on September 7, 2026, with an estimated retail price between ¥9,999 and ¥11,999 CNY.**

What Is the Significance of the Passport Aspect Ratio?

The "passport" aspect ratio on the Xiaomi 18 Fold is a design philosophy that prioritizes functional width over tall, cramped dimensions. The outer cover display is a wide 5.38-inch LTPO panel with ultra-slim bezels, moving away from the narrow cover screens typical of many foldables.

This design aims to solve the usability problem of cover displays being too small for efficient typing. According to the source, the wide form factor allows users to "actually type a quick WhatsApp message single-handed at the mamak without unfolding the whole device or suffering constant typos on a cramped cover screen." The main inner display is a 7.58-inch foldable panel protected by UTG glass and reinforced by Xiaomi’s updated “Dragon Bone” hinge setup.

**The Xiaomi 18 Fold's outer display measures 5.38 inches, while its main foldable panel measures 7.58 inches, showcasing a shift toward wider usability.**

How Does the Xring O3 Processor Impact Performance?

The Xiaomi 18 Fold marks the official debut of Xiaomi’s custom 3nm deca-core Xring O3 processor, a move that reduces reliance on off-the-shelf Qualcomm silicon. This custom chip is designed to address thermal management challenges, particularly in hot climates, and to enhance on-device AI processing.

The 3nm efficiency allows for more granular power tuning to prevent throttling during heavy multitasking or 4K recording in 32°C+ tropical ambient heat. Furthermore, the deep hardware integration enables the Android 17-based HyperOS to execute LLM and Generative AI tasks locally, rather than relying purely on cloud processing. This represents a "major leap in regional hardware autonomy," according to the source material.

**The Xiaomi Xring O3 is a 3nm deca-core processor that enables local execution of LLM and generative AI tasks within the HyperOS environment.**

What Are the Camera Capabilities?

The Xiaomi 18 Fold houses a horizontal capsule camera module with Leica branding, positioned on the back of the device. This setup includes a 200MP main sensor paired with a 50MP periscope telephoto and a 50MP ultrawide lens, indicating a focus on high-resolution photography.

While specific zoom ranges or aperture details are not mentioned in the source, the combination of a 200MP primary sensor and periscope telephoto suggests the device is engineered for detailed and versatile shooting. The presence of Leica branding continues Xiaomi's trend of co-engineered imaging systems.

**The Xiaomi 18 Fold camera system is highlighted by a 200MP main sensor, complemented by a 50MP periscope telephoto and a 50MP ultrawide lens, all under Leica branding.**

How Does It Compare to the Competition?

Xiaomi positions the 18 Fold as a direct challenger to Samsung’s Galaxy Z Fold8 Ultra, offering aggressive regional pricing and higher capacity hardware to attract users. The primary comparison points are battery capacity, sensor resolution, and price.

According to the source, "Xiaomi routinely undercuts direct rivals like Samsung’s Galaxy Z Fold8 Ultra while pushing larger battery capacity and primary sensor resolution." The Xiaomi 18 Fold is projected to be priced between RM 6,800 and RM 8,500 in Malaysia, significantly lower than the Fold8 Ultra's projected RM 8,999 to RM 10,299 range.

**The Xiaomi 18 Fold is projected to retail between ~RM 6,800 and RM 8,500 in Malaysia, undercutting the Galaxy Z Fold8 Ultra's projected RM 8,999 to RM 10,299 price range.**

Who Is This For?

The Xiaomi 18 Fold is for premium smartphone users who prioritize a functional external display for everyday tasks without unfolding the device, and who demand high-end specifications such as a large battery and advanced cameras. It is also targeted at tech enthusiasts interested in regional hardware innovation, specifically the Xring O3 chip.

For users importing the China ROM version, the device is most suitable for those in Southeast Asia who are comfortable with minor software setup procedures. The source highlights that while Google Play Services is easy to toggle on, "local banking app DRM (Maybank MAE, CIMB Clicks) and Android Auto support on China ROMs require hands-on validation," suggesting a user base willing to troubleshoot potential compatibility issues.

**The ideal user for the Xiaomi 18 Fold is a premium smartphone adopter seeking a wide cover screen and top-tier specs, willing to validate network and app compatibility on China ROM imports.**

Common Questions

What is the price of the Xiaomi 18 Fold in Malaysia?

According to the source, the projected retail price for the Xiaomi 18 Fold in Malaysia is approximately RM 6,800 to RM 8,500, competing directly with Samsung’s Galaxy Z Fold8 Ultra, which is projected at RM 8,999 to RM 10,299.

Does the Xiaomi 18 Fold China ROM support Malaysian 5G networks?

The source states that the China ROM edition natively covers 5G bands N28 and N78, which are used by CelcomDigi, Maxis, U Mobile, and Unifi Mobile, indicating support for Malaysian networks.

When is the Xiaomi 18 Fold launching?

Xiaomi official unveiled the Xiaomi 18 Fold with a September 7 launch date in China, which was confirmed just days before Apple’s September 9 event.

Sources and Methodology

This article is based on the original report published by Adam Lobo TV titled "Xiaomi 18 Fold Revealed: Passport Aspect Ratio, New Xring O3 Chip," available at adamlobo.tv. The information synthesizes primary reporting from sources cited in the original article, including Notebookcheck, 91mobiles, Beebom, and Gadget Review. The source material states that "The Mamak Test: Xiaomi isn’t just throwing wild specs at the wall to see what sticks," a direct quote from Adam Lobo’s verdict on the device's real-world usability. All pricing projections are estimates based on the source's reporting and have not been independently verified. This article was last updated on [current date].