Start with a clean Bluetooth configuration. Make sure that you remove other paired devices unless they are necessary.
Steps
- 
Press  + 9 to open the Admin menu. + 9 to open the Admin menu.
 Note: Use the * and # key to scroll up and down through the menu.
- 
Press 1. Network. 
- 
Press 3. Bluetooth. 
- 
Press 1. Paired devices. 
- 
Press  . .
- 
Choose a device and remove it by pressing 1. Unpair. Unpairing is only possible when the device is disconnected 
- 
Repeat these steps until all devices are removed.