Thank you for reaching out to the Samsung community! We would like to inform you that first move all the data out of the secure folder by uninstalling the application. Open secure folder>>3dot>>Settings>>Uninstall. Login new Samsung ID in your device and initiate the secure folder again and use new Samsung account.
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#/
