Do I need a new SIM?

12 May 2026 12:48 Updated

Your existing SIM will continue to work in a 4G or 5G compatible device.

Frequently asked questions

Why is 3G being switched off?

When will 3G be switched off?

Will my phone or device stop working after August?

How do I know if my device is affected?

What does G mean, and what's the difference between all the networks?

Do I need a new SIM?

What if my device supports 4G but is set to 3G?

Will this affect calls, texts, or data?

Do I need to enable VoLTE on my device?

Where can I get help?

Check your device Update network settings Replacement options 3G switch-off

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