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  2. Dual SIM - Wikipedia

    en.wikipedia.org/wiki/Dual_SIM

    Dual SIM standby phones allow both SIMs to be accessed by using time multiplexing. When one SIM is in active use, for example on a call, the modem locks to it, leaving the other SIM unavailable. Older examples of dual-SIM standby phones include the Samsung Galaxy S Duos, [23] the Sony Xperia M2 Dual, [24] and the iPhone XS, XS Max and iPhone XR ...

  3. Dual-mode mobile - Wikipedia

    en.wikipedia.org/wiki/Dual-mode_mobile

    Most dual-mode handsets require two identifying cards (one SIM and one RUIM), though some dual-mode phones (for example, the iPhone 4S) only require one SIM and one ESN. Not all dual SIM handsets are dual mode (for example dual SIM GSM phones).

  4. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  5. eSIM - Wikipedia

    en.wikipedia.org/wiki/ESIM

    The first iPhone models to not have a SIM card tray and work exclusively with eSIM were the iPhone 14 and iPhone 14 Pro, announced in 2022. [20] Outside the United States, all iPhone models continue to be sold with support for physical SIM cards, but the iPad Air (6th generation) , iPad Pro (7th generation) , and iPad Mini (7th generation ...

  6. iPhone XR - Wikipedia

    en.wikipedia.org/wiki/IPhone_XR

    It is the second iPhone to be released in white, yellow and blue, the first being the iPhone 5c in 2013. [13] Internationally, the phone supports dual SIMs through a Nano-SIM and an eSIM. In mainland China, Hong Kong, and Macau, dual Nano-SIM (in a single tray) is offered instead.

  7. Turbo SIM - Wikipedia

    en.wikipedia.org/wiki/Turbo_SIM

    However, dual SIM technologies have been found not to work with some phones. This device, and those like it, use a small microcontroller (the original Turbo SIM used an Atmel ATmega128) to intercept traffic between the cell phone and the original SIM card, and modify this traffic based on programming stored in the microcontroller. [3]

  8. Multi-band device - Wikipedia

    en.wikipedia.org/wiki/Multi-band_device

    In telecommunications, a multi-band device (including (2) dual-band, (3) tri-band, (4) quad-band and (5) penta-band devices) is a communication device (especially a mobile phone) that supports multiple radio frequency bands. All devices which have more than one channel use multiple frequencies; a band however is a group of frequencies ...

  9. iPhone 15 Pro - Wikipedia

    en.wikipedia.org/wiki/IPhone_15_Pro

    The iPhone 15 Pro and iPhone 15 Pro Max are smartphones that were developed and marketed by Apple Inc. ... Dual SIM with one Nano-SIM and one eSIM, supports dual eSIM

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