Motorola Signature 27 Becomes the First Non-Pixel Phone to Support GrapheneOS

The GrapheneOS project has confirmed that Motorola's Signature 27 will be the first smartphone outside Google's Pixel lineup to support its privacy-focused Android based operating system. The confirmation came in a post from the official GrapheneOS account on X. Until now, GrapheneOS has been limited to Pixel phones.

In a follow-up post, the GrapheneOS team said devices with the operating system preinstalled are being planned, but it did not share further details. Support for future Motorola phones had been announced a few weeks earlier without naming a model, and the Signature 27 answers which device comes first.

Why the Signature 27's Snapdragon Chip Made GrapheneOS Support Possible

GrapheneOS is built on the Android Open Source Project (AOSP). The Signature 27 is one of the first phones announced with Qualcomm's Snapdragon 8 Elite Extreme Gen 6, a chip made on TSMC's 2nm process.

That chip is central to the deal. The GrapheneOS team has acknowledged that the 2026 Razr Ultra and Razr Fold came close to getting support, but the new security features in the Snapdragon 8 Elite Extreme Gen 6 are what made the Signature 27 partnership happen. GrapheneOS is also expected to reach Motorola's 2027 Razr foldables.

Cheaper Motorola phones are a different story. The GrapheneOS team has said it plans to support low-end devices as well, provided some existing bottlenecks are cleared, and explained the current limit this way:

"It's mostly due to how Qualcomm handles it. The latest Snapdragon flagships have the best security features. We'll also need Motorola to start paying them for longer updates below flagships."

Signature 27 Availability and Pricing in North America

Motorola did not give a US release date when it announced the Signature 27, only telling buyers to "stay tuned." The company's North American product page has since been updated to say the phone arrives in November, without a specific day.

Pricing has not been announced either, so buyers cannot yet compare the Signature 27 with the Pixel models that already run GrapheneOS.

For privacy-focused users, the change adds a second hardware option. Anyone who wants GrapheneOS today still needs a supported Pixel, while buyers who prefer to avoid Google hardware can wait for the Signature 27's November launch and the details that come with it.

The 2026 Razr Ultra and Razr Fold are not part of the plan, since the GrapheneOS team has named the Signature 27 as the first Motorola device and the 2027 Razr foldables as the next.

Neither Motorola nor the GrapheneOS team has said when phones with GrapheneOS preinstalled will go on sale, or whether that version will cost more than the standard Signature 27.