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Dual SIM

The term "Dual SIM" refers to mobile phones and smartphones that can hold and use two SIM cards simultaneously. A SIM card (Subscriber Identity Module) is a small chip used in mobile devices to store user information and connect to the mobile operator's network. Dual SIM phones allow users to have two phone numbers, two tariff plans, or even two different operators on the same device. This can be particularly useful for separating personal calls and data from work-related ones or for using different mobile contracts based on needs.


In everyday life, Dual SIM phones offer great flexibility and convenience. For example, a professional who wants to keep their personal phone number separate from their work number can use a single phone with two SIM cards, avoiding the need to carry two devices. Additionally, international travelers can use a local prepaid SIM card to avoid high roaming costs while keeping their original SIM active to receive calls and messages. This feature is also advantageous for those living in areas with variable network coverage, allowing easy switching between different operators to get the best possible connectivity.


In Switzerland, Dual SIM phones are becoming increasingly popular among consumers and professionals. Major mobile operators, such as Swisscom, Sunrise, and Salt, offer competitive tariff plans that can be effectively combined in a Dual SIM device. This is particularly useful for cross-border workers living near Swiss borders who need one SIM for work in Switzerland and another for the neighboring country. Additionally, Swiss consumers can take advantage of promotional offers and data plans from different operators to optimize their phone expenses. Adopting Dual SIM phones allows Swiss users to better manage their communication needs in an ever-evolving mobile market.



Get a free Swiss prepaid SIM card now and install it on your Dual SIM device.





Read more definitions in our glossary

Do you want to discover the definitions of other terms used in the Swiss telecommunications world? Find all the terms in the Glossary of internet-offer.ch






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