The 4-digit security code is the number you chose when registering for your bet365 account. Please contact bet365 for assistance with retrieving your 4-digit security code. Before contacting Bet365 Android you will need to prepare some personal and account information in order to verify your identity and set a new security code for your account. You will need to confirm the following details: Your username Your full name Your date of birth The first line of your address and postal code Your email address or phone number associated with your account The date and amount of your last deposit or funds transfer to your account, or the last 4 digits of your payment method registered on the account (for example, a credit card number). 4-digit code that you want to register for your account. For more information please, check out www.bet365.com/mobile