Make sure you have your backup
Caution: Resetting your device deletes all data, including your wallet, from the device. It is essential that you have a working backup of your wallet before you reset your BitBox02. If that is not the case you will lose your coins forever!!!
Resetting your BitBox02
Reset without device unlock
Reset via the BitBoxApp
Go to “Device Settings” and select “Reset Device.”
Then confirm that you have a valid backup of your wallet and that you know your passphrase (in case you used one) and click “Reset Device”