You have no idea what the password is. The previous owner (maybe even you, from years ago) forgot the credentials. Your device is now a brick.
The "Open Galaxy Store FRP Bypass" method is a widely recognized technique used to navigate Factory Reset Protection (FRP) on Samsung devices by exploiting access to the pre-installed Galaxy Store
used in Samsung Factory Reset Protection (FRP) bypass methods to regain access to a device after a factory reset without the original Google account. It functions as a gateway to escape the "locked" setup wizard and reach a functional web browser or specialized security-disabling apps. How the Feature is Used for FRP Bypass
She spent two hours on YouTube. Every video title screamed the same cryptic phrase: “Open Galaxy Store FRP Bypass Verified.”
If you are the owner – use Samsung Passkeys. If you have a Samsung phone paired with a Galaxy Watch or Tab, physically go to a Samsung Experience Store. They have a technician tool (GSTool) that can verify your purchase receipt and clear the FRP for free.