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In their marketing materials, Samsung uses the term "Dual SIM Always On” [3] to describe the Duos phones, although both SIM cards are not always on. All phones with this feature are regular, Dual SIM Stand-by (DSS) phones, with 1 transceiver (radio). The second SIM is always disconnected when a call is in progress on SIM 1 and vice versa.
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 ...
Samsung Galaxy S Duos also known as GT-S7562 is a dual SIM smartphone, designed and marketed by Samsung Electronics.In contrast with other dual sim Samsung models, this phone is a part of the high-end "S" series, this is why it is marketed as a part of the "''Galaxy S'' family.
An example of this is the Samsung SCH-A790. These dual-mode handsets are compatible with both GSM and CDMA networks and are essentially two phones in one device. Such phones make sense in those countries that have both GSM & CDMA networks or international CDMA roamers who want to keep a single handset with two numbers on it.
The Samsung Galaxy Grand 2 is powered by a 2600 mAh Li-ion, which is capable of lasting up to 17 hours. [2] The 5.25 in (13.3 cm) TFT HD, multi-touch screen is capable of 16 million colours. Launched in two variants, G7102 with dual SIM card slots and G7105 with LTE network support, dual micro SIM slots and with dual standby.
This can also be seen by peeling off the UICC from an old credit or debit card, as those are single-sided. A 25 × 15 mm Vodafone New Zealand SIM card. The universal integrated circuit card (UICC) is the physical smart card (integrated circuit card) used in mobile terminals in 2G , 3G , 4G , and 5G networks. The UICC ensures the integrity and ...
Samsung Galaxy Core GT-I8260 single sim card slot model and Samsung Galaxy Core GT-I8262 dual sim card variant are smartphones manufactured by Samsung Electronics that run on the open source Android 4.1.2 Jelly Bean operating system.
Multi-SIM technology allows cloning up to 12 GSM SIM cards (of format COMP128v1) into one card. The subscriber can leave the original cards in a secure place and use only the multi-SIM card in day to day life. For telecom operator-provided cards, only the Group MSISDN number is known to multi-SIM subscribers.