Optus: $300 Cashback for 5G Home Internet, $250 Cashback for NBN Home Internet (New Customers)
Earn $300 cashback on Optus 5G Home Internet or $250 on NBN Home Internet via TopCashback AU. Only for new Optus customers (no active service). Plans must remain connected for at least 120 days. Transaction must be completed entirely online through TopCashback's link. Cannot be combined with Flybuys or other rewards programs, gift cards, or third-party coupon codes.
Original title
Optus: $300 Cashback for 5G Home Internet, $250 Cashback for NBN Home Internet (New Optus Customers)
Quick take
- Households looking for new internet service (not already with Optus)
- People comfortable committing to a plan for 4+ months
- Renters who want quick 5G home internet setup without waiting for NBN install
- Existing Optus customers
- Anyone likely to move or switch providers within 120 days
- Areas without Optus 5G coverage
- $300 cashback offsets several months of plan fees
- Cash payout from TopCashback is flexible (usable anywhere)
- 5G home internet offers fast setup compared to NBN installation
- Check 5G coverage at your address before signing up
- Cannot cancel within 120 days without losing the cashback
- You still pay the monthly plan fee — cashback doesn't make the service free
- TopCashback cashback can take weeks to months to confirm and payout
- Price
- Reward offer
- Value per hour
- $1,800
It renews automatically and charges you after the free period. Set a reminder to cancel as soon as you sign up.
See all risk notes ↓Fill in your profile and we'll tell you whether you can do this (state, visa status, banks, memberships).
Set up my profile →How to do it
- 1Sign up or log in to your TopCashback AU account
- 2Find Optus on TopCashback and click through to the Optus website
- 3Choose 5G Home Internet or NBN Home Internet and complete the sign-up online
- 4Ensure you don't use any coupon codes not listed on TopCashback, or pay with gift cards/store credit
- 5Keep the plan connected for a minimum of 120 days to qualify for cashback
Conditions
- New Optus customers only (must have no active Optus service)
- Plan must stay connected for at least 120 days
- Purchase must be made entirely online (not via Optus mobile app)
- Cannot combine with Flybuys or other rewards programs
- Cannot use coupon codes not advertised on TopCashback
- Cannot pay with gift cards, vouchers, or store credit
- Not eligible for 4G home internet or tablet + SIM packages
- No negotiated deals via email, chat, or phone
Risks
- CautionIt renews automatically and charges you after the free period. Set a reminder to cancel as soon as you sign up.
- NoteNo end date given. The price or offer could end at any time.
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