WhatsCheap logo
Boost Mobile: $7 Cashback on 75GB 28-Day Prepaid SIM for $12 (Was $39) @ TopCashback AU
Posted 3/3/2026

Boost Mobile: $7 Cashback on 75GB 28-Day Prepaid SIM for $12 (Was $39) @ TopCashback AU

Mobile5GBoost Mobile

Mate, you seriously have to check this out! You can snag a Boost Mobile 28-day SIM with a massive 75GB of 5G data (including international calls!) for just $12, down from $39!

  • Even better? You get $7 cashback through TopCashback, making your cost effectively just $5!
  • This is the absolute cheapest way to get onto the Telstra network right now, but remember to follow their tracking tips for the cashback to hit.

More Great Deals

No related deals found at the moment. Check back soon!