regarding password forgotten

try to hard rest may be it will help but their is change of losing data

Thank you for reaching out to the Samsung community! We apologize to inform you that lock and mask app password cannot be reset if you forgot the password. To use the lock and mask app again, you need to factory reset the device. Remove the account from the device take the data backup via smart switch PC suite and reset the device.

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#/

ok sir