During the initial setup of the Nuki Keypad, a 6-digit security code must be assigned to protect your Keypad against unauthorized access. Therefore, you cannot manage and reset your Keypad without the security code. If you have forgotten your security code please contact the Nuki Support. Nuki needs a confirmation that you are the owner of the Keypad to offer further assistance, for safety reasons. Please inform Nuki of the Keypad ID and provide the bill as a proof of purchase of the Keypad. The Keypad ID can be found in your Nuki app. To access it, open the Nuki app and select the Keypad in the "Manage my devices" menu. After connecting to your Keypad, you will find an info symbol (i) at the top right of the screen. This takes you to a page containing your Keypad ID.