A Subscriber Identity Module, or SIM, stores information your device uses to connect to a carrier's mobile network. It also identifies your device and your plan with the carrier. SIM can be stored on a removable, physical SIM card or be built-in, digital, embedded SIM (eSIM).

What is a Dual SIM device?

A Dual SIM device has 2 (or more) SIMs. Device manufacturers determine how many and what type of SIM a mobile device can have: 2 physical SIM cards. 2 electronic SIM cards (eSIMs). 1 physical SIM Card. 1 eSIM. Some new smartphones can store up to 8 eSIMs. Important: If you want a Dual SIM smartphone that can have 2 active plans/numbers at the same time, it must also be Dual SIM/Dual Standby (DSDS). Without DSDS, a mobile device may be equipped to store multiple eSIMs, but it can only have one of them activated with a carrier at a time.

What does "DSDS" mean?

A phone specification that describes having 2 receivers and 1 transmitter in a mobile phone. DSDS-capable phones can have 2 mobile numbers from the same carrier or 2 mobile numbers from 2 different carriers.

DSDS enabled devices allow you to have 2 different mobile numbers from 2 different cellular carriers or 2 mobile numbers from the same carrier. Keep in mind: Only one mobile number can receive calls / messages or use cellular data at a time. If 2 mobile numbers are activated on the device and 1 is on an active call, calls to the other number ring through to Voicemail. The incoming call doesn't appear on the screen. After ending the active call, a missed call notification will appear. A “new message” Voicemail indicator also appears if the caller chooses to leave a message.

What can I do with a DSDS-capable device that has multiple SIMs?

If your device has more than 1 SIM a you can have multiple numbers on 1 phone. With DSDS, each SIM can be activated on a separate mobile phone number. Options include: Add a Second Number plan from Verizon, for just $15/mo. Have 2 numbers from 2 different carriers (domestic or foreign). For support for carriers other than Verizon, reach out to the specific carrier. Have 2 numbers from different Verizon accounts or with different Unlimited plans. Note: For laptops with Dual SIM, you can only use one SIM at a time. Important: You can only use data on one SIM at a time, for any device.

How can I tell if my mobile phone is dual-number capable?

To have 2 usable, active mobile numbers, a smartphone must have: At least 2 SIMs: Each SIM is identified by an IMEI code. Dual SIM Dual Standby (DSDS) capability, enabled. Check the manufacturer's website to see if your smartphone is Dual SIM and DSDS-capable.

How do I add a number from another carrier to a Verizon Dual SIM phone that's locked?

To help protect against fraud, we have a 60-day lock policy before you can activate another carrier's service on your Verizon phone. To request an exception to this policy, contact us.

How can I get help using WhatsApp when I have 2 numbers on 1 phone?

WhatsApp is a third-party service. Visit the WhatsApp Help Center for help with: Setting up 2 WhatsApp accounts on 1 phone. Changing the phone number associated with a WhatsApp account

How can I get 2 Verizon mobile numbers?

Visit our Second Number page for information about adding a second Verizon number to your phone. You can add a Second Number plan from Verizon, for just $15/mo.

How do I activate each SIM for my Dual-SIM device?

You'll have to activate each SIM with the carrier that provides service for that mobile number. To activate your SIM on a Verizon line: Learn how to activate eSIM with Verizon. Find out how to activate a physical SIM card with Verizon. Important: If you're buying a Dual SIM device from Verizon, there's a 60-day SIM lock to prevent fraudulent activity. This means you must wait 60 days before activating another carrier's service on the second SIM. If you need to add a second carrier sooner, contact us.

How does calling and messaging work when I have 2 numbers on 1 phone?

With a Dual SIM device that's DSDS-capable, you can make and receive calls and messages from either phone number. Only 1 line at a time can be selected for data. Choose which number is your primary number. Your secondary number is still active for calls and text messages. The first number you had is the default, but you can change the assignments and the names of each SIM. Each time you place a call or start a text thread you can choose which number to use. If you didn't choose a number, your phone will automatically select your primary number. If you get a call while you're on the phone, calls to that number go to Call Waiting. Calls to your alternate line go to that number's voicemail (you won't get a missed-call notice). Verizon's Call Filter app will work on one Verizon line of service at a time. See our device-specific Dual SIM guides for more information: Apple iPhone - Bring Your Own Device (BYOD) - Transfer SIM/eSIM Apple iPhone - Dual SIM with an eSIM - Switch Default Voice Line Apple iPhone - Dual SIM with an eSIM - Set Preferred Cellular Plan by Contact Apple iPhone - Dual with an eSIM - Label Cellular Plan Google Pixel Phones - Dual Standby Dual SIM - Switch Default Voice Line Google Pixel Phones - Dual Standby Dual SIM - Change Default Cellular Number Samsung Galaxy Note20 - Dual SIM Dual Standby - Change Default Mobile Number Samsung Phones - Dual SIM Dual Standby - Rename SIM Line

What happens with my contact list when I've got 2 numbers on 1 phone?

Your phone still has only one contacts list, even when you've got 2 numbers on 1 phone. Note: You can set the preferred "call from" number for each of your contacts.

Where can I see a list of my SIMs, numbers and carriers?

See how each SIM is assigned by checking the settings on your phone: Apple - Settings > General > About Google - Settings > Network & Internet > Mobile Network Samsung smartphones - Settings > Connections > SIM card manager

What are my international plan options for 2 mobile numbers on one phone?

If you have 2 Verizon mobile numbers on your device, you can add TravelPass to both numbers. Important: If you choose a different carrier for your second SIM while traveling, Verizon isn’t responsible for support and services.

Doble SIM - Preguntas frecuentes sobre el uso de 2 números en 1 teléfono

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