If you want to change what Facebook account is connected to your device, you can do so by going to the settings menu on your device. Once you are in the settings menu, you will need to select the “Accounts” option. This will bring up a list of all the accounts that are currently connected to your device. From here, you will need to select the Facebook account that you want to disconnect. After you have selected the account, you will need to select the “Remove Account” option. This will remove the Facebook account from your device.