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Boost Mobile: $85 Cashback on $330 375GB 12-Month Prepaid SIM @ TopCashback AU
Posted 5/12/2026

Boost Mobile: $85 Cashback on $330 375GB 12-Month Prepaid SIM @ TopCashback AU

Mobile5GBoost Mobile

Score a massive year of 5G data for just $245 total when you grab this Boost Mobile deal via TopCashback! By stacking the $330 sale price with your $85 cashback, you're securing 375GB of data for a fraction of the usual cost.

  • Includes unlimited international calls and texts to keep you connected globally.
  • Operates on the full Telstra 5G network for reliable coverage.
  • Important: Make sure to activate your SIM within 30 days and avoid using ad-blockers or coupons to ensure your $85 cashback tracks perfectly.

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