A. 1. Ensure that the PartyBox is powered on and in Bluetooth mode. 2. Restart the app and check if the PartyBox appears in the list of available devices. 3. Check for any firmware updates for the PartyBox and apply them.
B. 1. If the app still does not recognize the speakers, try resetting the PartyBox to factory settings. 2. Ensure that your phone's Bluetooth is functioning properly by testing it with other Bluetooth devices.