Anyone faces phone kena locked out?

What is the issue:
Not able to sign in after reboot, even with both fingerprint and password

How to reproduce:
Power down phone without unlock to home screen first (press power button directly and choice shutdown)
Power up again and prompt for Password say to protect fingerprint
Not able to sign in even with correct password


Didnt sign in Samsung Account on the phone (since still quite new but with contact/msg/watsapp/wechat data), so cannot unlock using findmymobile samsung

Old phone already kaput, so old data will be lost

Google Android Device Manager also not able to unlock....

What other option other than factory reset?

Searched reddit liao, seems like quite many kena also, resolution is factory reset....