Hello, I am including a link to a troubleshooting guide to support your concerns on changing the filter (https://bit.ly/3nDJMxy). For further assistance, contact us directly on Facebook at (http://m.me/samsungsupport) or on Twitter at (https://twitter.com/messages/compose?recipient_id=18768513). When you message us, give them this number (1143835824) and it will help our team pull up your information. Thank you for being a Samsung customer. ^Lena