$7 ShopBack cashback on Optus 100GB 28-Day Prepaid SIM/eSIM — $13 delivered (net ~$6)
Buy the Optus 100GB 28-Day Prepaid SIM (eSIM or physical) via ShopBack for $13 (down from $40) and get $7 cashback, about $6 net with free delivery. It's AutoRecharge-only at $40 per 28 days, and the next two recharges also come with 100GB. ShopBack cashback ends 3 November.
Original title
$7 Cashback on Optus 100GB 28-Day Prepaid eSIM / SIM for $13 Delivered (Ongoing $40, 100GB for Next Two Recharges)
Quick take
- International students, WHV holders, or new arrivals needing an affordable data-heavy prepaid plan
- Those already on a mobile plan who don't need a second SIM
- ~$6 effective cost for 100GB/28 days, with two additional 100GB bonuses on next recharges
- Ongoing cost is $40/month after bonus recharges end
- AutoRecharge lock-in required
- Price
- You pay $13$40
- Value per hour
- $510
No special conditions. Open to everyone
AutoRecharge binding means the SIM won't work without a linked payment method; consider whether you'll keep the plan long-term.
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
- 1Go to ShopBack, search for Optus, and click through the cashback link
- 2Add the 100GB 28-Day Prepaid SIM (eSIM option available) to cart — price shows $13
- 3Complete purchase; ShopBack credits $7 back after confirmation period (typically 30–90 days)
Conditions
- Must purchase through the ShopBack link for cashback to apply
- AutoRecharge setup is mandatory (payment method must be linked)
- Bonus 100GB applies only to the first two $40 recharges
- ShopBack cashback offer valid until 3 November 2026
Risks
- CautionAutoRecharge binding means the SIM won't work without a linked payment method; consider whether you'll keep the plan long-term.
- NoteShopBack cashback is subject to their confirmation window — don't expect the $7 immediately.
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