Xiaomi A6121 Compatibility
Vima Smart Lock Cylinder · lock Zigbee
The Xiaomi A6121 (Vima Smart Lock Cylinder) is a Zigbee smart lock from Xiaomi. It lets you lock, unlock and monitor your door remotely and through automations. It's confirmed working across 3 platforms, including Zigbee2MQTT, ioBroker, Zigbee for Domoticz. Because it speaks standard Zigbee, the Xiaomi A6121 pairs with any Zigbee coordinator once it's joined to one of the supported bridges above.
Compatibility at a glance
Xiaomi A6121 is a Zigbee lock from Xiaomi. It is compatible with: Zigbee2MQTT, ioBroker, Zigbee for Domoticz.
| ZHA (Home Assistant) | ✗ Not supported |
| Zigbee2MQTT | ✓ Supported |
| deCONZ | ✗ Not supported |
| Zigbee2Tasmota | ✗ Not supported |
| ioBroker | ✓ Supported |
| Zigbee for Domoticz | ✓ Supported |
| iHost | ✗ Not supported |
Where to buy the Xiaomi A6121
The Xiaomi A6121 is widely available on Amazon in the US, UK, Canada and across Europe. Prices and stock vary by region — the link below opens results for your local Amazon store.
🔎 Find the Xiaomi A6121 on Amazon →As an Amazon Associate, WillItPair earns from qualifying purchases. This doesn't affect what you pay.
Recommended Zigbee coordinators
The Xiaomi A6121 needs a Zigbee coordinator (USB stick) to join your network. These are the ones we'd buy:
As an Amazon Associate, WillItPair earns from qualifying purchases. This doesn't affect what you pay.
Frequently asked questions
Does the Xiaomi A6121 work with Home Assistant?
It is not natively supported by Home Assistant's ZHA integration, but you can use it via Zigbee2MQTT (Z2M) if Z2M support is listed below. It also works through Zigbee2MQTT.
Is the Xiaomi A6121 compatible with Zigbee2MQTT?
Yes, the Xiaomi A6121 is supported by Zigbee2MQTT.
What Zigbee hub do I need for the Xiaomi A6121?
Any Zigbee coordinator paired with one of the supported bridges (Zigbee2MQTT, ioBroker, Zigbee for Domoticz) will let you use this device. A SONOFF Zigbee dongle or a ConBee II are common choices.