Great news! This hub and accessory
combination is directly compatible
You can see the instructions for this connection using this instruction link
The Amazon Echo Flex can connect directly to the SmartThings Wifi Smart Plug. This is done using the shared Wi-Fi connection between the two devices.
Interface Compatibility
 Amazon Echo Flex |
 Samsung SmartThings Hub 3rd Generation * Bridge required |
 SmartThings Wifi Smart Plug |
|
|---|---|---|---|
| Amazon Alexa | Yes | Yes | Yes |
| Apple HomeKit | No | No | No |
| Google Assistant | No | Yes | Yes |
Connection Compatibility
|
Amazon Echo Flex |
Samsung SmartThings Hub 3rd Generation * Bridge required |
SmartThings Wifi Smart Plug |
|
|---|---|---|---|
| Amazon Sidewalk | No | No | No |
| Bluetooth | Yes | Yes | No |
| Clear Connect | No | No | No |
| Thread | No | No | No |
| Wi-Fi | Yes | Yes | Yes |
| Z-Wave | No | Yes | No |
| Zigbee | No | Yes | No |