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The eSIM describes the functionality in the SIM, not the physical size of the SIM - and there are eSIMs in many formats (2FF, 3FF, 4FF, MFF). GSMA have also developed a compliance framework [ 10 ] for eSIM devices, eUICCs, and subscription management products - to help with interoperability and security for products supporting eSIM.
An eSIM (embedded SIM) is a form of SIM card that is embedded directly into a device as software installed onto a eUICC chip. First released in March 2016, eSIM is a global specification by the GSMA that enables remote SIM provisioning ; end-users can change mobile network operators without the need to physically swap a SIM from the device.
In Africa, Uganda has registered three MVNOs so far, some having their own network infrastructure within major cities, but acting as an MVNO out of these cities. [21] In 2015, one of the "big five" banks in South Africa, FNB, created an MVNO named FNB Connect providing voice, SMS and data services. As of 31 December 2019, FNB Connect had around ...
SIM Application Toolkit (STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1] Similar standards exist for other network and card systems, with the USIM Application Toolkit (USAT) for USIMs used by newer-generation networks being ...
Rank Operator Technology Subscribers (in millions) Ownership 1: Batelco: GSM-900 (GPRS, EDGE) 2100 MHz UMTS, DC-HSPA+ 1800 MHz LTE: 3.9 [8] (Dec 2022): Bahrain Telecommunications Company
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).