
Shut down 3G network - 10th June 2025
Sunrise is phasing out its outdated 3G mobile technology to make way for faster, more efficient 4G and 5G networks. This change is essential to free up capacity and improve energy efficiency, ensuring swype customers benefit from a faster and more reliable mobile experience starting from 10th June. Action is required from you.

What does it mean for me?
To continue enjoying uninterrupted mobile services, you must upgrade to a 4G or 5G compatible device as soon as possible. Most modern devices already support 4G, 5G, and VoLTE, so upgrading is simple and ensures you stay connected without any hassle. If your device already supports 4G and VoLTE, you’re all set! You won’t be affected by the shutdown and will automatically benefit from an even faster and more reliable network. If you’re unsure whether your device/phone is affected, don’t hesitate to contact our customer-support team. We'll also be keeping all affected customers informed on an ongoing basis.

Sunrise network coverage
Sunrise covers over 99.9% of the Swiss population with its 4G network and over 99.5% with its 5G network. This means that 4G and 5G network coverage is significantly higher than it was with the previous 3G network. Check your area’s coverage using our interactive map showing the current coverage.
FAQs
If you are using a device that only supports 3G technology, you will no longer be able to make calls, send texts, or use mobile data after 10th June. The 3G network will be switched off step by step. From 10 June onwards, 3G services will no longer be available everywhere in Switzerland.
This includes:
Customers with older mobile phones that do not support 4G or 5G.
Customers using 3G-only SIM cards or devices.
Customers whose devices do not support VoLTE (Voice over LTE), which is required for making voice calls on 4G and 5G networks.
The 3G network is outdated and inefficient compared to modern 4G and 5G technologies. Switching it off allows us to free up resources, improve energy efficiency, and provide faster, more reliable mobile services.
No, all Swiss providers are gradually shutting down their 3G networks. While the timing may vary, 3G will eventually be phased out completely across Switzerland.
Devices that only support 3G. Also devices that support 4G but not VoLTE (Voice over LTE) for voice calls,
VoLTE is the standard for voice calls via the 4G network. Virtually all phones made in 2018 or more recently – and some older devices as well – are VoLTE-capable.
Some devices are 4G-capable, but don’t support VoLTE. VoLTE is active on your device if the 4G/5G icon still appears at the top of your screen when you’re making a call. For more information, please refer to the VoLTE support page or contact our customer support.
Voice calls via 3G (including emergency calls). The mobile-voice-call service (including emergency calls) will continue to operate via 4G (VoLTE).
Data transmission via 3G.
Data will continue to be transmitted via 4G/5G.
SMS via 3G.
SMS services will continue to operate via 4G.
Circuit-switched data transmission (CSD).
This service with its very low data-transmission rate will no longer be available. Sunrise recommends switching to modern IP-based technologies.
The 3G network will be switched off step by step. From 10th of June onwards, 3G services will no longer be available everywhere in Switzerland.
Yes, you can keep your phone number.
We recommend switching to future-orientated technologies such as 4G and 5G as this will ensure you’ll be well-prepared for the future.