You can change the PIN: at ATMs («Other transactions» - «My settings» - «Change of the PIN code»); at self-service terminal ("My settings" - "Change of the PIN code"); in Privat24 ("My accounts" select the card - "Card management" - "Change of the PIN code"); send an SMS to the number 10060 with the text PIN + XXXX (where XXXXX is the last 4 digits of your card number); at any branch of the bank.