Revolutionizing Connectivity: The Rise of iSIMs in the Mobile Industry

The mobile industry is on the verge of a groundbreaking transformation, spearheaded by the advent of integrated SIMs, or iSIMs. According to a new report from Juniper Research, the number of iSIMs in connected devices is expected to soar from 800,000 in 2024 to more than 10 million by 2026. This staggering 1,200% increase is anticipated to be driven by the release of the GSMA’s SGP.41/42 specifications by the end of 2025. These specifications aim to standardize and streamline the rollout of iSIM-enabled devices, thereby enhancing their accessibility and adoption. 

An iSIM, also known as an Integrated Universal Integrated Circuit Card (iUICC), represents an evolution of the eSIM (embedded SIM) technology by integrating directly into the device’s processor. This innovation eliminates the need for a separate SIM module, heralding a future where traditional SIM cards are rendered obsolete and networks can preload plans onto devices during the manufacturing process. The GSMA’s SGP.41/42 specifications will facilitate In-factory Profile Provisioning (IFPP), allowing iSIM profiles to be uploaded onto devices during production. This capability simplifies the process for both manufacturers and consumers by enabling devices to be shipped with pre-configured cellular connectivity.
 

Despite the optimistic forecast, Juniper’s report points out that the absence of an industry-wide standard for iSIM technology could pose challenges. Without an official standard, manufacturers might be reluctant to launch iSIM so

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