- Make sure you've activated the Bluetooth of your mobile device.
- Make sure BPM Core is not already paired and connected to another smartphone.
- If you are using BPM Core with a different smartphone than the last smartphone connected, you have to:
- Disable Bluetooth on the other device.
- Go to the Bluetooth settings of your device and tap the name of your BPM Core to connect it.
https://support.withings.com/hc/ja/sections/6215770022289-BPM-Core
https://support.withings.com/hc/ja/sections/360003273294-Troubleshooting