Posted in Web iPhone 11 64GB – $33/mo on a device payment plan with Optus. January 4, 2020 iPhone 11 64GB payment if you remain on any monthly SIM plan for 36 mths. Min cost $1,227 inc. a mth of the $39/mth SIM plan. Get a plan today. https://www.optus.com.au/shop/mobile/phones/iphone/iphone-11