Xiaomi 18 Pro Max: Heading for an Outrageous Spec Sheet [UPDATED]

📌 Update, 19 August 2026: The hotly awaited Xiaomi 18 Pro Max has just cleared China’s mandatory 3C certification under the reference M311AD, officially confirming 100 W wired Fast Charging. SRRC regulatory filings also validate support for the 5G N79 band and UWB technology. Now positioned as the brand’s absolute halo device following the cancellation of the Ultra model, this 6.9-inch giant will carry a 200 MP main camera with LOFIC technology, a 200 MP macro telephoto and a monster battery, with launch scheduled for September 2026.

Leaks are picking up pace around the next supersized flagship from Xiaomi. Well-known leaker Digital Chat Station, along with Chinese regulatory databases, has just delivered crucial details about the Xiaomi 18 Pro Max prototype. This technological showcase is shaping up to be one of the most extreme handsets the manufacturer has ever built, pushing every single hardware component to its limits.

The Xiaomi 18 Ultra is cancelled: the Pro Max takes the crown

To grasp just how excessive the Xiaomi 18 Pro Max spec sheet really is, you need to understand the manufacturer’s recent strategic decisions. Faced with industrial constraints and soaring component costs, the Xiaomi 18 Ultra has been shelved for this generation.

That decision has a direct and major impact on the shape of the line-up: the Xiaomi 18 Pro Max is no longer an in-between model slotted beneath an Ultra, it becomes Xiaomi’s absolute flagship for the whole of 2026-2027.

Every cutting-edge component originally earmarked for the Ultra — starting with the dual 200 MP sensors with LOFIC technology and a huge battery — has been transferred straight into this Pro Max. For mobile photographers and demanding users who were waiting for the Ultra, the Pro Max now stands as the only no-compromise option.

A giant flat 2K screen and power built on 2 nm

The Xiaomi 18 Pro Max keeps its status as a multimedia behemoth. Leaks point to a huge 6.9-inch flat OLED panel with 2K resolution. A world away from curved screens and their distracting reflections, this flat display is said to feature large rounded corners and razor-thin symmetrical bezels on all four sides, delivering remarkable visual immersion.

To drive that XXL display, Xiaomi is crossing a historic threshold by fitting Qualcomm’s upcoming Snapdragon 8 Elite Gen 6 (Pro variant), built on TSMC’s cutting-edge 2 nm process. This architectural shift promises a spectacular jump in graphics performance while drastically cutting heat output and power draw. That is precisely where the Pro variant differs from the standard version: the processor itself is strictly identical, with the gap coming down to the graphics block and the memory.

Camera revolution: 200 MP LOFIC sensor, periscope and ultra-wide

The camera department gets a hardware upgrade with no equivalent on the market, designed to rival the best dedicated compact cameras. The rear array is built around a complete three-module set-up:

• 200 MP main sensor with LOFIC technology: this component packs dedicated capacitors (Lateral Overflow Integration Capacitor) able to soak up excess light charge. In practice, the technology widens dynamic range considerably, wiping out blown-out skies in bright sunshine while lifting the shadows in night-time city scenes.
• 200 MP periscope telephoto: a second oversized sensor dedicated to long-distance shots (with roughly 3x optical zoom) and supporting extremely precise macro photography.
• Ultra-wide sensor: an additional module calibrated to deliver distortion-free landscape and architecture shots.

One question remains open: the secondary screen on the back. The leak only explicitly attributes it to the Xiaomi 18 Pro. But the Xiaomi 17 Pro Max officially had one last year, just like the 17 Pro, so it would be surprising to see the Pro Max go without it this time around.

Colossal endurance: 8,000 mAh battery and certified 100 W charging

To feed a 6.9-inch 2K screen and a latest-generation chip, the handset will carry a colossal energy reserve. Industry reports mention a battery in the 8,000 mAh class, which Digital Chat Station previously put at 8,500 mAh. Even sticking to the cautious 8,000 mAh figure, that is a remarkable step up from the 7,500 mAh of the Xiaomi 17 Pro Max.

To top the tank back up quickly, the 3C certification (model M311AD) confirms 100 W wired Fast Charging, backed by 50 W wireless charging. An official Xiaomi 120 W charger covers that requirement with room to spare and remains compatible with the brand’s fast-charging protocols.

The package is rounded out by dual stereo speakers with enlarged chambers, an immersive haptic motor, plus certified support for the 5G N79 band and a UWB chip.

Pricing and availability: an ultra-premium positioning

All this cutting-edge hardware will have a predictable effect on the final bill. Expect at least 1,000 yuan more than the previous generation across the whole series, with the manufacturer fully embracing a resolutely premium price positioning for a model that now inherits everything the Ultra line stood for.

The Xiaomi 18 Pro Max is set to launch officially in China as early as September 2026, alongside the Xiaomi 18 Pro. The standard model, meanwhile, is not expected before December.

In summary

With its giant 6.9-inch flat screen, its dual 200 MP sensors including LOFIC technology, its huge battery and its certified 100 W charging, the Xiaomi 18 Pro Max immediately stands out as the most spectacular flagship of this end of year.

We will be following its official unveiling very closely so we can offer this exceptional model in Global Version on our online store. In the meantime, take a look today at our full range of Xiaomi smartphones certified for Europe.