Step 1- Clean the Bluetooth configuration

Start with a clean Bluetooth configuration. Make sure that you remove other paired devices unless they are necessary. 

Steps

1. Press  + 9 to open the Admin menu.
   Note: Use the * and # key to scroll up and down through the menu.
2. Press 1. Network.
3. Press 3. Bluetooth.
4. Press 1. Paired devices.
5. Press .

6. Choose a device and remove it by pressing 1. Unpair.

   Unpairing is only possible when the device is disconnected

7. Repeat these steps until all devices are removed.