The Spark NZ 3G network was shut down on Tuesday, 31 March 2026. If you have devices still operating on 3G-only hardware, they will no longer be able to connect to the Spark network.
Our team has been working closely with customers over the past year to identify affected SIMs and support the migration to 4G, LTE-M, or NB-IoT capable devices.
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If you believe you still have 3G-only devices in the field, please contact us as soon as possible so we can help you assess your options and plan a migration path.
Does your backend need development to work over 4G (eg Circuit Switch Data calls not supported on 4G)?
What hardware/modems are you going to choose, ports, speed, functionality?
Most antennas purchased for 3G will not be compatible for 4G.
3G and 4G coverage are different – will you applications be covered?
The power and connector requirements may be different – How many devices are impacted?
It is likely a new SIM plan will be required for your devices. What is the best new plans for your environment?
For any questions about your account or device compatibility, get in touch with our team.
