Nuki Smart Lock Pro (4th Generation)
Retrofit lock (EU cylinders); Matter over Thread
High confidence
2026-10-16 last checked
thread transport
Specs
| Brand | Nuki |
|---|---|
| Model | Smart Lock Pro (4th Generation) |
| Device type | Door lock |
| Matter / firmware | Matter 1.4 (CSA2520EMAT45408-24); newer Smart Lock Pro CSA25E3BMAT48525-24 (1.4.1) |
| Transport | thread |
| Thread role | Thread device; needs Thread BR; NAT64 for remote via Thread |
| Confidence | High |
| Last checked | 2026-10-16 |
Platform support for this device type
| Field | Apple Home | Google Home | Amazon Alexa | SmartThings | Home Assistant | Homey | Hubitat |
|---|---|---|---|---|---|---|---|
| Pairs | Y | Y | Y | Y | Y | Y | Y |
| Control | Y | Partial | Y | Y | Y | Y | Y |
| Starts automation | Y | Y | Y | Y | Y | Y | Y |
| Controlled by automation | Y | Partial | Partial | Y | Y | Y | Y |
| Confidence | High | High | Med | High | High | Med | Med |
Product notes
Nuki support: Matter via Thread with Apple Home, Google Home, Samsung SmartThings, Amazon Alexa; HA Connect ZBT-1 listed in hub table. SmartThings blog confirms WWST. Primary DT 0x000A. Retrofit (inside-cylinder) form factor, mainly EU market.
How it differs from the type answer
- Door sensor / auto-unlock / access codes managed in Nuki app beyond type row.
- Retrofit form factor; check cylinder fit.
Sources
- csa-iot.org · official · 2026-10-16
- help.nuki.io · official · 2026-10-16
- blog.smartthings.com · official · 2026-10-16