If you're seeing a weak Bluetooth signal in the Eko App after you’ve successfully connected the CORE, try these steps:
Check to see if you have any other Bluetooth devices connected to your mobile device.
Disconnect any other Bluetooth devices from your phone.
Open the Eko App and connect the CORE.
Make sure that the CORE is within five feet of the Eko App with a clear line of sight.
If you're still experiencing a weak Bluetooth signal, please submit a ticket here.