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Optus: Upsized Cashback. $350 Prepaid SIM $100 Cashback, $180 Prepaid SIM $100 Cashback
Posted 2/16/2026

Optus: Upsized Cashback. $350 Prepaid SIM $100 Cashback, $180 Prepaid SIM $100 Cashback

MobileBroadbandCashback

Score massive savings on your next mobile plan with Optus's Upsized Cashback!

  • You can snag $100 cashback on both the $350 and the $180 Prepaid SIM plans right now.
  • That could mean getting a whopping 180 days of mobile coverage for as low as $30 if the cashback stacks perfectly on the already reduced $180 plan!
  • Don't miss this chance to keep your budget happy while staying connected.

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