Sorry to see that has not been picked up sooner. Can you tell me where the handset has been purchased from? I'm curious to know if this is unlock code that's required for the handset or if this is for the SIM card itself.
If you do still need further assistance. do please come back to us and either I or one of my colleagues, will be able pick this up for you
It's an old Galaxy S6 Edge+ that I used to have on an EE contract a few years ago. Now it's asking for the next PUK PAK PIK whatever code after it got annoyed over the wrong PIN being entered too many times.