The short version
- Google Wallet now supports digital home keys for compatible smart locks via NFC and ultra-wideband technology.
- The feature is in public preview and requires specific Android versions, supported locks, and Matter-enabled hubs.
- Hands-free unlocking is limited to newer Pixel devices, while tap-to-unlock works on older NFC-capable phones.
Google has introduced digital home key functionality to Google Wallet, enabling Android users to unlock compatible smart doors using their smartphones. This update marks a significant shift in the company’s approach to home security integration, bringing capabilities that have been available to Apple and Samsung users for some time. The feature is currently accessible through a public preview within the Google Home application, with a broader rollout planned for the coming weeks.
The new system leverages two distinct wireless technologies: Near Field Communication (NFC) and Ultra-Wideband (UWB). Users can choose between tapping their phone against a lock reader or allowing the device to unlock automatically as they approach. The tap-to-unlock method requires holding an NFC-enabled Android device near the lock, functioning even if the phone screen is locked. In contrast, the hands-free approach feature must be manually activated within Google Wallet settings and relies on UWB technology to detect proximity.
Compatibility remains a central constraint for this launch. The digital home key infrastructure is built upon Aliro, an open standard designed to universalize smartphone-based lock access. However, hardware support for this standard is currently limited. Google has confirmed that the Aqara u400, Schlage Sense Pro, and Nuki Keypad 2 NFC are among the supported devices at launch. The Schlage model initially supports only NFC, with UWB functionality expected to follow in a future update.
Beyond the locks themselves, users must also possess specific hub hardware to utilize these features fully. A Matter-enabled Google Hub with Thread Border Router capabilities, such as the second-generation Nest Hub, is required for the system to function correctly. This requirement ties the new unlocking features into Google’s broader smart home ecosystem strategy, emphasizing interoperability through modern standards like Matter and Thread.
Device compatibility varies significantly depending on the desired unlocking method. Tap-to-unlock functionality is available on any NFC-enabled phone running Android 9 or later, making it accessible to a wide range of existing devices. However, the more convenient hands-free unlocking feature is restricted to phones with Aliro UWB support. Currently, this includes the Google Pixel 10 Pro series and newer models, limiting the premium experience to recent hardware purchases.
The update also addresses household management by allowing multiple users to access the same locks. Members linked to a shared Google Home account can add their own digital keys to their individual Google Wallet applications. This structure mirrors traditional key distribution, where each resident holds a separate credential rather than sharing a single device or code. It simplifies access control for families or roommates using compatible smart home setups.
Wearable technology integration is notably absent from the initial release. Google has stated that Wear OS smartwatches are not supported at launch, though the phrasing suggests potential future compatibility. This omission contrasts with Apple’s ecosystem, where Watch users can already unlock doors without carrying a phone. The delay may reflect technical challenges in miniaturizing UWB or NFC protocols for smaller devices within the current Aliro framework.
The rollout represents a long-awaited convergence of Android hardware and software capabilities in the smart home sector. While the feature set is robust, the reliance on specific hubs, newer phone models for hands-free access, and a limited list of compatible locks means immediate utility will vary among users. As more manufacturers adopt Aliro standards and Google expands its supported device list, the friction between different smart home ecosystems may continue to diminish.
Looking ahead, the success of this feature will likely depend on how quickly third-party lock manufacturers integrate Aliro support and whether Google accelerates compatibility with older Android devices for hands-free unlocking. The current preview phase allows early adopters to test the reliability of NFC and UWB connections in real-world environments. Feedback from this period may influence the final configuration of the feature as it becomes available to all users.
This development underscores the ongoing competition in digital convenience features among major tech platforms. By finally offering a unified digital key solution, Google aims to reduce the fragmentation that has historically plagued Android smart home experiences. The emphasis on open standards like Aliro and Matter suggests a strategic move toward broader industry adoption rather than proprietary lock-in, potentially setting a precedent for future interoperability in connected living spaces.
Sources behind this briefing
Go to the original reporting
- The Verge↗Google Wallet can finally unlock doors with digital home keys
