Sometimes it can be frustrating and tricky to get Bluetooth devices working well together.
Sometimes the best thing is to reset things and start again.
This process is usually only needed as part of Bluetooth connection not working, comprehensive Bluetooth reset.
This process will make your Opum Digital Knee forget every phone which it has ever connected to
Turn on your Opum Digital Knee
Turn off your Opum Digital Knee continuing to hold down the button until the light turns off and back on again - this will take approximately 25s
Once the light has turned back to green, your Digital Knee will have forgotten every phone to which it has ever been connected.