Thanks for being with Samsung and for sharing your query. We would like to inform you that voice call recorder feature is not available in your device so you may use any third party application for Call recorder. If you are unable to use app after Oreo update, we suggest you to contact the same app developer team for the compatibility.
Be sure to hit ♡ when you find an answer that works for you. For Further assistance, you can get in touch with us via Live Chat option by following- http://livechat.support.samsung.com/Customer_new/IN. You can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/
