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All data offers are valid for new customers only who activate a value SIM (includes first recharge) or $2 SIM and recharge between 7 October 2025 - 4 May 2026. 

  • Online only offers, valid on SIM purchases and for new activations only. SIM includes first recharge; discount does not apply to subsequent recharges. Limited to one promotional item per customer.​

  • $39 SIM Sale: Offer valid from 12.01am 23rd September 2025 and ends 11.59pm (AEDT) 20th October 2025.

  • $365 SIM Sale: Offer valid from 12.01am 7th October 2025 and ends 11.59pm (AEDT) 20th October 2025.

  • $13-$365 Recharge/SIM: All offers valid for new activations only when you activate or first recharge by 2 March 2026. $13-$74 Offer: remaining two recharges by 4 May 2026.

  • 250Mbps/150Mbps speed cap: Speed cap applies to 4G and 5G networks. Your capped download speed is the maximum potential download speed for data included in your recharge. Factors that affect typical speeds include location, distance from base station, local conditions, concurrent users, hardware and software configuration and download/upload destination.

  • 5G is rolling out in selected areas and available with a compatible device. In non 5G coverage areas, you'll automatically switch to 4G.

  • Rollover unused data to use within your next recharge when you recharge $26, $39, $49, $59 or $74.

  • UNLTD® Calls and Texts includes national calls and text (SMS & MMS) to standard national numbers. Excludes calls and texts (inc. MMS) to international numbers, satellite and premium numbers (e.g. 19xx numbers), operator assisted calls (most 12xx numbers) and all use overseas.

  • UNLTD International calls includes calls from Australia to standard numbers in the selected countries. 300/1200/3600 mins includes calls to standard international numbers from Australia. 300/1200/3600 texts include standard texts (SMS & MMS) to eligible countries. Both exclude premium services and video calls. For a complete list of included calls and destinations go to International Calls from Australia.

  • Plan International inclusions:
  • Boost Extras: An active recharge is required to use a $5 or $20 Data Pack. Service provided by Telstra Limited ABN 64 086 174 781. For personal use only. Telstra Fair Play Policy applies. For full consumer advice including Critical Information Summaries and Privacy Policy.

  • Network coverage: Telstra has the largest and most reliable mobile network in Australia covering 99.7% of the Australian population in over 1,600 towns and communities, which is around 3 million square kilometres. Our mobile network is more than 1 million square kilometres greater than our nearest competitor. If you purchase a Boost SIM you must make sure your device is compatible with the Telstra network, including that it is able to make calls to emergency services. If your device is not compatible, it may be blocked and may not have access to voice or data services or be able to call emergency services (including triple zero). See our Volte page for more information on compatible devices.

  • Roaming: Available in 42 countries. Your pack is active from the time of purchase and will expire at the same time on the last day. Call minutes include incoming & outgoing calls. Included calls and texts exclude premium, satellite and video calls and messages. Terms of use.

  • Need help paying for your mobile service? Boost Mobile is brought to you working in partnership with Telstra. If you’re finding it difficult to pay for your mobile services, Telstra can help see you through difficult times. For more information see Telstra’s Payment Assistance Policy or using the Boost Mobile app, via the Payments tab.