How to change the ringtone of Samsung note5 Card 2?

Suggestion: 1. Settings-device-sound-ringtone -SIM card 1/SIM card 2- device ringtone If the above method cannot be set, 2. Turn on the music with the music player that comes with your mobile phone, and press and hold the music to set it as ringing tone to try. 3. If you still can't set it, please try to open Settings-Application Manager-Menu Key-Reset Application Preferences. 4. Back up the important data of the mobile phone and restore the factory settings: Settings-General-Reset-Restore the factory settings. If the problem still exists after the above operation, it is recommended that you bring the purchase invoice, three-guarantee certificate and mobile phone to the local Samsung service center for inspection by engineers.