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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.
The language that is used to describe these specification is a little confusing since eSIM is not a physical format (or "form factor" - the phrase that is used to describe the various SIM sizes). 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).
Mobile virtual network operators (MVNOs) in Ireland lease wireless telephone and data spectrum from major carriers such as Vodafone, Eir, and Three for resale. As of Q3 2023, the market share of MVNOs in Ireland is 13.8%, including Tesco Mobile with 8.0% and Virgin Mobile with 2.4%. [1]
The first Truphone application released was for Nokia devices. This was followed by applications for Apple iPhone, [11] BlackBerry smartphones, [12] Apple iPod Touch, [13] Android devices and a softphone application for desktop was launched in late 2010. [14] Truphone's SIM based products are entirely separate from the Apps.
However, Vodafone UK appealed this decision to the Competition Appeal Tribunal (CAT), which ruled in favor of Vodafone on 18 September 2008, returning the matter to Ofcom for reconsideration. On 8 July 2010, Ofcom issued a final statement retaining the donor-led process, mandating a two-hour PAC release time, and reducing the porting time from ...
eUICC can refer to any implementation or application of the eUICC standards in an eSIM device. Each implementation of eUICC includes software code, a processor to emulate the software, non-volatile memory used to store the unique identifiers and cryptographic keys that are part of a SIM profile, and a bus interface to communicate the SIM profile to the mobile device. eUICC standards specify ...
The company is accredited by the GSMA to manage the complete eSIM lifecycle across both the consumer and M2M markets. [ 37 ] [ 38 ] In September 2024, Workz was acquired by Ireland’s Trasna Holdings to improve its services in mobile IoT technologies like SIM, eSIM, and SoC technology.
A more general name for this class of Java Card-based applications running on UICC cards is the Card Application Toolkit (CAT). [ 2 ] [ 3 ] The SIM Application Toolkit consists of a set of commands programmed into the SIM which define how the SIM should interact directly with the outside world and initiates commands independently of the handset ...
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