Looks like this deal is back, only the base iphone model & specs according to t&cs: Excludes iPhone 16 256GB/512GB, iPhone 16 Plus, iPhone 16e & iPhone 16 Pro/Max models.
Offer ends 14 May 2025
Previous deal discussed thoroughly on what to do: https://www.ozbargain.com.au/node/902167
If you don't care about the carrier, isn't the Voda deal better? https://www.ozbargain.com.au/node/904241 24m works out to be $82.70 a month.