You should visit the settings app from your iOS home at first. After that, you should select the ''Mail, contacts, Calendar'' option. Then, you need to choose the ''add account'' option. After that, you need to choose the ''other option''. After that, you should go for the ''Add mail account'' option. Then, you should enter the Bigpond email address and password. On the next step, you should press the ''next'' option. Then, you need to select the ''save'' option. After that, you will be able to access the Bigpond email account on your iOS device. This is how you can able to login Bigpond email account on an iOS device.