Aqara Smart Lock U400
- Matter 1.4
- Thread
- Bluetooth
The Aqara Smart Lock U400 is a door lock certified under Matter specification 1.4 on 2 June 2026. Its certified networks are Thread and Bluetooth. The model number is AD051, and the listed software version is 3.1.1.4.
- First certified
- 7 May 2025
Where to buy
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Matter certification
- Certificate
- CSA265I0MAT56536-24
- Certified on
- 2 November 2026
- Specification version
- Matter 1.4
- Transport
- thread,bluetooth
- Software version
- 3.1.1.4
The latest software the ledger lists, 3110, has no current certificate yet.
Capabilities
- Device type
- Door Lock
- Clusters
- 4 clusters in 3 groups
included in this device type, not confirmed supported
The CSA does not publish which clusters a specific product implements. The list is what the Matter specification includes in this device type.
Software versions
| Version | Certified | Certificate |
|---|---|---|
| 3.1.1.4 | 2 November 2026 | CSA265I0MAT56536-24 |
| 3110Latest | 2 June 2026 | CSA263LDMAT54065-24 |
| 3104 | 16 December 2025 | CSA25G1YMAT49048-24 |
| 3100 | 7 May 2025 | CSA2523EMAT45456-24 |
Identify this model
Part numbers (1)
- AD051
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