Pattern Lock has been forgot

try signing in using a Google account

dont let your mobile get switched off or restart.. if done then it will ask for pattern.. do your phone backup immediately..

Thank you for reaching out to the Samsung community! To reset the device screen lock password, kindly activate FMM service in your device from settings>>lock screen and security>>Find my mobile>>enter Samsung account and activate. Kindly visit the link https://findmymobile.samsung.com/ on your PC browser enter Samsung account and tap on unlock. You will get popup to enter Samsung account password to reset the device lock screen. Make sure the device is connected to the Internet.

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#/

open this link 👉http://url.sg/samsungorgupdateapp

i forget my pattern how can i change pattern without lost my data in galaxy c9pro