Optus - 20% off + Double Data $45/ $55/ $65 SIM Only Plans - $36/30GB Data, $44/50GB Data, $52/80GB Data - 12 Month Contract

Thanks deivu and solidussnake for title and description.

12 Month Contract

20% off $45 per month plan gets you 15GB+15GB (30GB Total) = $36 per month
20% off $55 per month plan gets you 25GB+25GB (50GB Total) = $44 per month
20% off $65 per month plan gets you 40GB+40GB (80GB Total) = $52 per month

Unlimited talk and text within Australia

$36 plan, up to 300 standard international minutes to selected countries
$44 and $52 plan, unlimited standard international minutes to selected countries

Other Perks:
National Geographic - available until 2020
Free Music Streaming from Google Play, Spotify, iHeartRADIO
Optus Sport

Eligibility
My Plan Plus SIM Only (Online) plans are only available
to new and recontracting customers via online channels.
Please read terms and conditions before applying.

Expires 1/10/2018