Motorola's Signature 27 hits the US at $1,599 with GrapheneOS support

It is a regular slab phone, not a flip phone, built to be a true flagship. A flagship is a company's best phone, the one with the newest parts.

Motorola has made high-end Edge phones before. They never quite had the features to sit in the top tier. Motorola has had its biggest hits with the Razr foldables, which lean on style and nostalgia.

The Signature line is different. A Signature phone did exist last year, but it never came to the US. This one does, and it goes straight after phones like Samsung's Galaxy S26 Ultra.

Motorola is leaning into a luxury look. The phone comes in two Pantone colors:

• Coal Smoke: a dark finish with a woven, textile-like back panel.
• Capulet Olive: a green finish with a brushed, textile-inspired back.

The price buys one version: 12GB of RAM and 512GB of storage. RAM is the short-term memory your phone uses to keep apps ready, and storage is where your photos and files live.

Samsung's Galaxy S26 Ultra costs the same $1,599 for the same 12GB and 512GB. Samsung also sells a cheaper 256GB version for $1,399. Motorola has no cheaper option yet.

The timing is awkward. Memory chips have become more expensive because AI data centers are buying so many of them. We covered that in Samsung's S26 price rise and in Micron's warning about memory prices. A $1,599 phone is a steep hill to climb, and the spec sheet alone will not carry it.

The phone runs on Qualcomm's Snapdragon 8 Elite Extreme Gen 6 chip. It is built on a 2-nanometer process, which means its parts are packed extremely small. It can reach clock speeds of up to 5GHz. Clock speed is how many steps per second a chip can take.

Fast chips get hot. Motorola added its ArcticMesh cooling system, which now uses a diamond-infused gel. Motorola says the cooling area is 40% bigger than last generation. Whether it helps in real use is something testers will check.

Here is the rest of the spec sheet:

• Screen: 6.8 inches, a tandem OLED with a 1.5K "Super HD" resolution. Tandem means two light-emitting layers stacked together.
• Brightness: up to 12,000 nits at peak. A nit is a unit of brightness, and 12,000 is very bright.
• Battery: 7,000mAh, using silicon-carbon, a newer battery material that stores more energy in the same space.
• Charging: up to 90W wired and up to 50W wireless. The wireless speed needs Motorola's own charger.
• Protection: IP68 and IP69 ratings for dust and water.
• Audio: a Bang & Olufsen sound system with a redesigned speaker layout. Motorola says the sound is "meant to be felt, not just heard."

There is one small miss. The phone has no built-in Qi2 magnets, the ring that snaps wireless chargers and accessories to the back.

The back of the phone has four lenses on a raised plateau. Some people say the camera bump looks like a spider's face, and the olive model is hard to look away from.

Here is what the lenses do:

• Main: a 50-megapixel Sony Lytia L910 sensor. It uses LOFIC technology, which helps it keep detail in both bright and dark parts of a scene.
• Telephoto: a 200-megapixel camera with 3x zoom. It sits behind a periscope lens, which bends light sideways inside the phone to make room for zoom.
• Ultrawide: a 50-megapixel camera for wide scenes.
• Event Vision Sensor: a special sensor that notices movement at the pixel level. Motorola says it helps "capture fast-moving subjects with greater clarity and precision."

In real life Think of a kid running across a soccer field at dusk. Most phones blur the legs. Motorola says the event sensor is built for exactly that kind of shot, though we will need real photos to know.

This is the twist that got privacy fans talking. The Signature 27 is the first Motorola phone to support GrapheneOS. It is also a first for a mainstream phone sold in the US.

GrapheneOS is a version of Android that puts privacy and security first. It is built on the Android Open Source Project, the free base of Android that anyone can use. Google's apps and services are not built deep into it. You can still add Google Play services, but they run in a sandbox, like any normal app, so they get less access to your phone.

For years, GrapheneOS only officially worked on Google's Pixel phones. The project has strict hardware and security needs, and Pixels met them. The project confirmed on X that the Signature 27 is the next phone it will support.

The plan is for phones to be sold with GrapheneOS already installed. Motorola has also said future Razr flip and Razr Fold phones will support it.

Why it matters: if you wanted the most locked-down Android, you had to buy a Pixel. Now there is a Snapdragon flagship with a 200-megapixel zoom camera on the list too.

Motorola promises seven years of OS upgrades. That puts it with the best update promises from Samsung and Google. It means the phone should keep getting new versions of Android long after you stop thinking of it as new.

One caution: the promise appeared in the small print of Motorola's materials with a note that it "may vary by market." Motorola's update timing has been patchy in the past, so the real test is what happens in years three and four.

Motorola also showed a few add-ons for the same ecosystem:

• Moto Watch Fit 27: claims up to 12 days of battery life. It starts at £99.99 in the UK, about $134.
• Moto Buds 27: earbuds with Bose noise cancelling and IP57 ratings for both the buds and the case. They cost £179.99 in the UK, about $242.

Both arrive in Europe and the UK in the coming weeks. In the US, Motorola has not given a price or exact date, only "the coming months."

Pre-sales start on November 19 in the US, and the phone goes on sale on November 26. Motorola has said it will reach North America before the end of the year, and this confirms the dates.

No independent reviews are out yet, so the battery life, the camera and the cooling are still claims. Treat the spec sheet as a promise, not a result.

• Price: $1,599 is the same as Samsung's Galaxy S26 Ultra at 512GB. Compare both before you decide.
• Privacy: if you want GrapheneOS but not a Pixel, this is your first official choice.
• Updates: seven years of upgrades is a long promise. Check that it applies in your market.
• Wait for reviews: battery life, heat and camera quality are not proven until independent testers have the phone.