Motorola announces Signature 27 flagship with GrapheneOS support

Motorola, a Lenovo company, has announced the motorola signature 27, which it calls its most advanced flagship smartphone to date. The part that drew attention is security: the press release says the phone will be Motorola's first device to support GrapheneOS, a hardened, open-source operating system based on the Android Open Source Project. Motorola says it was developed in partnership with the GrapheneOS Foundation, which it describes as the leading nonprofit in advanced mobile security, and that the phone will "kickstart a new era of smartphone privacy and security". The text of the release stops mid-sentence in this section, so it does not say how GrapheneOS support works in practice, for example whether the OS ships preinstalled or is installed by the user.

The rest of the release is a conventional flagship spec sheet, all of it Motorola's own claims. The chip is the Snapdragon 8 Elite Extreme Gen 6, which Motorola says makes the phone among the first to use Qualcomm's latest flagship chipset. Cooling comes from an ArcticMesh system with micro-diamond-infused thermal gel and a thermal chamber 40% larger than the previous generation. The phone has a 6-antenna design, Wi-Fi 8 compatibility, up to 2x faster Wi-Fi speeds, and a promise of seven years of OS upgrades.

The camera system has a 50MP Sony LYTIA L910 main camera with LOFIC technology, a 200MP periscope telephoto with 100x Super Zoom (plus a 3x periscope telephoto lens), a 50MP ultrawide, and a 50MP front camera that records 4K video. Motorola also lists what it calls the first dedicated EVS action sensor on a smartphone, working with an Action Shot feature. It says the camera system earned a DXOMARK Gold Label and outranks all other Android and iOS devices. Video features include a Video Enhancement Engine, Dolby Vision support, Qualcomm Electronic Image Stabilization and 3.5 degree OIS on the main camera.

The display is an Extreme AMOLED Duo with Tandem Technology, which combines two emissive layers into one. Motorola claims up to 12,000 nits of peak brightness, calling it the brightest display available in a smartphone, plus up to 34% greater energy efficiency and up to a 121% longer lifespan than traditional AMOLED panels. Resolution is 1.5K Super HD, with Dolby Vision, Pantone Validated color calibration and SGS-certified blue light technology.

The battery is 7000mAh, 35% larger than the last generation. Wired 90W TurboPower charging restores power "for the day" in 12 minutes, which is not a full charge. 50W wireless charging takes 0 to 100% in up to 80 minutes. Durability claims include Corning Gorilla Glass Ceramic 3, an aerospace-grade aluminum frame, MIL-STD-810H, and IP68 and IP69 ratings. The phone comes in two PANTONE finishes, Coal Smoke and Capulet Olive, and Motorola says it is the only smartphone in-market with Audio by Bang & Olufsen, tied to a multi-year partnership with the audio brand.

On AI, the phone is designed for Gemini Intelligence. Motorola says Google is rolling these capabilities out to Gemini Intelligence devices globally in the coming months, and the phone will be ready to bring them to users. The listed features are: Gemini handling multi-step tasks such as booking a ride or preparing a grocery order, with users able to view progress, jump in or stop; Rambler, which turns natural speech into polished messages; Create My Widget, which builds widgets from a description; and Sign-to-Text, which translates American Sign Language into written English in real time using the front camera. Out of the box it also has Google Gemini experiences including Gemini Omni (video creation and editing through conversation) and Lyria (custom soundtracks from prompts), plus Motorola Qira, a built-in AI system that connects supported Motorola and Lenovo devices. On security, Motorola also points to ThinkShield and Moto Secure.

Key facts

Motorola says the signature 27 will be its first device to support GrapheneOS, a hardened open-source OS based on the Android Open Source Project, developed in partnership with the GrapheneOS Foundation.
The phone uses the Snapdragon 8 Elite Extreme Gen 6, with a 50MP main camera, a 200MP periscope telephoto with 100x Super Zoom, and a 50MP ultrawide and front camera.
Motorola claims an Extreme AMOLED Duo Tandem display with up to 12,000 nits peak brightness, and a 7000mAh battery with 90W wired and 50W wireless charging.
Motorola promises seven years of OS upgrades and IP68 and IP69 ratings with MIL-STD-810H durability.
The phone is designed for Gemini Intelligence, which Google is rolling out in the coming months, and also carries Motorola Qira.

Why it matters

A major phone maker is putting GrapheneOS, a hardened Android-based system, on a mainstream flagship in partnership with the GrapheneOS Foundation. Motorola frames this as the start of a new era of smartphone privacy and security, and calls the signature 27 its first GrapheneOS-supported device. The rest of the launch is a typical premium spec push: a new Qualcomm chip, a very bright display, a large battery and fast charging.

Who it affects

Buyers who want a privacy-focused OS on a flagship phone are the obvious audience, since Motorola says the GrapheneOS support is meant to bring cutting-edge security to everyday users across the globe. Android flagship shoppers more broadly get a phone aimed at camera, display and battery performance, with seven years of OS upgrades promised.

How to use it

The press release text available gives no price, no release or availability date, no list of markets or carriers, and no RAM or storage configurations. It also does not say whether GrapheneOS ships preinstalled or is installed by the user; it says only that the phone will be Motorola's first device to support GrapheneOS. The AI features depend on Google's rollout: Motorola says Gemini Intelligence capabilities arrive on devices globally in the coming months. The phone also ships with Gemini experiences and Motorola Qira out of the box.

How solid is it

This is Motorola's own press release, so every figure is a company claim. The brightness, battery and charging numbers carry footnote markers, and no independent test of them is presented. The DXOMARK Gold Label and the claim of outranking all other Android and iOS devices are likewise reported by Motorola. The GrapheneOS section is written in the future tense ("will be"), and the release text stops mid-sentence there, so the practical details of the support are not confirmed.

Risks and caveats

Read the specifics with care. The 12,000 nits is stated as "up to", as are the 34% efficiency and 121% lifespan gains over traditional AMOLED panels. The 12-minute charge restores power for the day, not a full battery; a full wireless charge takes up to 80 minutes. Several AI features depend on Google's rollout timing, which Motorola gives only as the coming months. No person from the GrapheneOS Foundation is quoted in the release.

“the motorola signature 27 will kickstart a new era of smartphone privacy and security”

— Motorola press release