Microsoft Ends Snapdragon 850 Support After Windows 11 26H2

Microsoft says Windows 11 version 26H2 is the last release that will support Snapdragon 850 PCs. The company added that line to the Windows 11 Home and Pro lifecycle page as 26H2 began rolling out on September 29, 2026.

Those machines can still take 26H2. They will not be offered version 27H2. Microsoft has not said why the chip is being cut, or whether a later build will even boot on it.

Microsoft Wrote the Cutoff Into the Lifecycle Page

The notice is one sentence, posted as a note above the support table, not as a blog post or a briefing. It uses the same formula Microsoft already used on that page for Windows 11 SE, which stopped at version 24H2.

Windows 11, version 26H2 is the last version that will support devices with Snapdragon 850 processors.

Microsoft Lifecycle, Windows 11 Home and Pro

That wording is now the official floor. The last version that will support Snapdragon 850 is 26H2, and the next yearly feature update is out of scope.

The company did not hold an event around the change. Windows Insider Xeno flagged the line on September 29, the same day 26H2 shipped, writing that 26H2 “is the last version of Windows 11 that will support devices running the Snapdragon 850 processors.” Microsoft still has not explained the hardware reason.

WHAT WE KNOW

• The cutoff: Version 26H2 is the last Windows 11 release Microsoft will support on Snapdragon 850 devices.
• The remaining clock: Home and Pro editions of 26H2 get 24 months of servicing, through October 10, 2028.
• The current offer: Snapdragon 850 PCs remain eligible for 26H2, which Microsoft started sending on September 29, 2026.

WHAT IS UNCONFIRMED

• Hard block or policy: Microsoft has not said whether 27H2 will refuse to install, fail to boot, or simply stop being offered.
• The engineering cause: The lifecycle note gives no instruction-set, driver, or security reason for dropping the chip.

The gap matters because Windows 11 already has a precedent for a real ARM crash, not just a storefront refusal. Until Microsoft says which kind of cutoff this is, owners only know the support calendar, not the installer behavior.

The First Chip Qualcomm Built for Windows

Qualcomm announced the chip at Computex in 2018, on June 3, as the Snapdragon 850 Mobile Compute Platform. Samsung was the first PC maker named in that release. The 850 was the first Snapdragon Qualcomm tuned for Windows PCs. The Snapdragon 835 in the first always-connected laptops was a reused phone chip.

The pitch was the same one Qualcomm still prints on the product page: a fanless PC that stays on LTE like a phone, with multi-day battery life and a full Windows desktop. The Snapdragon 850 mobile compute platform specs still describe a Windows 10 machine. They have not been rewritten for this cutoff.

SNAPDRAGON 850 AT LAUNCH

• CPU: Eight Kryo 385 cores, 64-bit, clocked up to 2.96 GHz.
• Graphics and DSP: Adreno 630 GPU and Hexagon 685 DSP.
• Modem: Snapdragon X20 LTE, up to 1.2 Gbps down and 150 Mbps up.
• Claims vs the 835: 30% faster graphics and processing, a 25% battery-life increase, and up to 25 hours of continuous use.

Lenovo shipped the first 850 PC, the Yoga C630, a 13.3-inch 1920×1080 2-in-1 with 4GB or 8GB of memory and 128GB or 256GB of storage. It was priced from $849.99 in the United States and from €999 in EMEA, and Lenovo rated it at 25 hours. Samsung’s Galaxy Book2 followed at $1,000 on November 2, 2018, with 4GB of RAM, 128GB of storage, and a 12-inch 2160×1440 Super AMOLED panel.

Eight years after that Computex pitch, Microsoft is closing official feature updates on the same silicon. That is a short published life for a chip sold as a Windows PC platform, and the original run was small enough that the cutoff fits in a footnote.

24 Months of Patches After the 26H2 Install

Version 26H2 is also called the Windows 11 2026 Update. For eligible PCs already on 24H2 or 25H2, Microsoft says the move is a small enablement package for version 26H2: a light download, one restart, and the new version switch turned on. The OS build line is 26300.

Installing 26H2 resets the support clock. Home and Pro get 24 months. Enterprise and Education get 36 months. Microsoft’s Windows 11 release information lists Home and Pro servicing for 26H2 through October 10, 2028, and Enterprise servicing through October 9, 2029. Twenty-four months from the September 29, 2026 start date is September 29, 2028; the published Home and Pro end date sits 11 days later.

WINDOWS 11 HOME AND PRO SERVICING DATES

PCs still on 24H2 have the tightest path. Servicing for that release ends on October 14, 2026. Moving to 26H2 is the only way those Snapdragon 850 devices get the full remaining patch window.

26H2 is a controlled rollout, not a single-day switch. Microsoft says devices on 24H2 and 25H2 become eligible over time, and it can place safeguard holds when it sees a compatibility issue. Owners who want the offer sooner can turn on “Get the latest updates as soon as they’re available” under Settings, Windows Update.

How the Snapdragon 835 Lost Windows 11

The 850 cutoff is the second time Microsoft has walked an early Windows on Arm generation off the stage. It is the first time the company has done it to a chip it actually certified for Windows 11.

Windows 11’s Qualcomm list never included the Snapdragon 835. The first always-connected PCs, the HP Envy x2, ASUS NovaGo, and Lenovo Miix 630, sat outside official support from the start. Enthusiasts still installed Windows 11 on them the same way people put it on older Intel machines, by skipping the hardware checks.

That unofficial path ended in a harder way than a lifecycle note. Starting with version 24H2, Windows 11 needed ARM v8.1. The 835’s Kryo 280 cores are ARM v8.0 parts derived from Cortex-A73. Attempts to boot 24H2 on that silicon crashed. The 850, built on Kryo 385, cleared that instruction-set bar and became the low end of Microsoft’s supported Qualcomm list.

Microsoft is now retiring that floor with paperwork. There is no public ARM version bump attached to 26H2, and no statement that 27H2 will trap as 24H2 did on the 835. The Home and Pro lifecycle page names only one processor family in a last-version note, and it is this one.

Which Snapdragon 850 PCs Still Need the Update?

The 850 never filled store shelves the way Snapdragon X machines did later. The confirmed Windows PCs are the Lenovo Yoga C630 and the 2018 Samsung Galaxy Book2, both sold as always-connected 2-in-1s with LTE. Qualcomm said ASUS and HP had also committed to 850 devices at the time; those two brands’ first Windows on Arm laptops, the NovaGo and Envy x2, were 835 machines and are already past official Windows 11 support.

If a laptop from late 2018 still boots and shows Qualcomm in Settings, it is worth checking the exact model name before assuming it is in this group. A later Galaxy Book2 Intel model, and later Yoga C-series chips, are different products.

CHECK THE CHIP, THEN TAKE 26H2

• Confirm the processor: Open Settings, then System, then About, and read the processor line under Device specifications.
• Confirm the version: On the same page, check Windows specifications for 24H2, 25H2, or 26H2.
• Install 26H2 if offered: Use Windows Update on 24H2 or 25H2, and turn on the toggle for the latest updates if the enablement package has not appeared yet.
• Plan around October 10, 2028: That is the published Home and Pro patch end for 26H2, and Microsoft has not promised a later official release for this chip.

People have run Windows 11 on unsupported processors for years by bypassing the checks. Those installs sit outside Microsoft’s support. The company has not said whether Windows Update will simply stop offering 27H2 to Snapdragon 850 PCs, or whether a newer build will reject the hardware.

Copilot+ PCs Need 40 TOPS the 850 Never Had

Microsoft’s supported Qualcomm list, last updated October 30, 2025, still names the Snapdragon 850. A footnote says devices with that CPU may not ship with Windows 11 preinstalled and can only be upgraded by the customer. The same table still lists Snapdragon 7c, 7c Gen 2, 7c+ Gen 3, 8c, 8cx, 8cx Gen 2, 8cx Gen 3, and Microsoft SQ1, SQ2, and SQ3. Those chips did not get a last-version note on the Home and Pro lifecycle page.

EARLY WINDOWS ON ARM SILICON NOW

The ARM PCs Microsoft is selling now are a different class. Copilot+ hardware, as Microsoft describes it in its NPU developer guide, needs a neural processor rated above 40 trillion operations per second, plus 16GB of memory and 256GB of storage. Qualcomm rates Snapdragon X Elite and X Plus NPUs at 45 TOPS. The 850’s Hexagon 685 was an on-device AI block for 2018 voice and camera tricks, not that NPU bar. The Galaxy Book2 shipped with 4GB of RAM and 128GB of storage, so it would miss the memory and storage floor too.

That is the pattern in plain terms. Microsoft already used an instruction-set wall to finish the 835. It is using a lifecycle sentence to finish the 850, the first Snapdragon it put on the Windows 11 list. Newer 7c, 8cx, and SQ machines still have a line on that list. The PCs with 40-TOPS NPUs are the ones getting the features Microsoft now builds Windows around.

Snapdragon 850 owners who install 26H2 keep Home and Pro security updates through October 10, 2028. After that date, Microsoft’s written position is that this chip has no later Windows 11 version.