Cannot unlock phone following security update

[Members_zH7TRgw]

I've just installed upgrade and now the phone wont unlock 😞

[Members_zH7TRgw]

I've turned it on and off. I've looked at lost phone app but nothing works!!

[Tourbillon De La Vie]

https://www.samsung.com/uk/support/mobile-devices/i-cant-unlock-my-device/?