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Your dual SIM phone
You can have two SIM cards in your phone.
Some benefits of a dual SIM phone
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Have two phone numbers, but carry one phone – use a work and personal SIM at the same time.
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It doesn't matter which number people call – both SIMs are active.
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Save money – use the best network service provider for a situation.
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Stay in touch – avoid differences in network coverage between service providers.
Both SIM cards are available at the same time when the device is not being used, but while one SIM card is active, for example, making a call, the other is unavailable.
If you only have one SIM card, put the card into the SIM1 card holder. Some features and services may only be available when using the SIM card in the SIM1 card holder. If there is a SIM card only in the SIM2 card holder, you can only make emergency calls.
Availability of SIMs
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When you set one SIM to be used for outgoing calls, sending text or multimedia messages, or uploading and downloading data, the other SIM can still receive calls or text and multimedia messages.
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When one SIM is having a call, sending or receiving text or multimedia messages, or uploading or downloading data, the other is not available.