Of course, doing a factory reset will erase all the data you have saved on your phone. Hence, this should be the last resort to unlock your phone if you have forgotten the password, PIN or pattern.

Are you stuck unlocking your Samsung phone when forgotten the password? Don't worry, we have some amazing solutions for you here.

Way 3: For Android 4.4 or Lower – Forgot Pattern-Google Account Another way to know how to unlock a phone without password and data loss is by using the Google account Forgot Pattern feature.