Gave dad s20+ and new pin not working

[EuanStruts]

I got new phone and setup my old s20 transfer ed all data from smart switch and its not excepting his pin 

[BaronDigo]

Dads always forget!

[AndrewL]

@EuanStruts: If this is a PIN that he set up himself, then please ask him to head to Find My Mobile via the link below, sign in using the Samsung account details that are registered to the S20, and he can remotely unlock the device from here. 

https://findmymobile.samsung.com

[EuanStruts]

Sorry just realised I had these replies, Samsung put app on my phone and took control and we worked it out,bit of a process but we did it,thanks

[EuanStruts]

We tried the find my mobile but it didn't work with a few tries,