Posted 11/23/2025

Optus Flex Plus $350 365 prepaid 300GB for $275+$119 cashback @shopback

MobileOptusOptus $350 Pre-Paid Sim Starter Kit

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Mate, you won't believe this Optus Flex deal – it’s practically giving away a year of data!

You're locking in a massive 365-day plan for just $156 total after snagging $119 cashback via ShopBack, down from the initial $275 spend.

You get a huge 300GB for the first three recharges, then a solid 220GB monthly afterwards.
Plus, enjoy unlimited Aussie calls/texts, 5G speeds up to 250Mbps, and heaps of international minutes!

Seriously, grab this while you can—it’s a steal for a full year of connectivity.

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