eSIM (embedded subscriber identity module) is a revolutionary innovation in telecommunications, offering seamless, remote connectivity to mobile networks. These are digital SIM cards integrated into devices, unlike their traditional counterparts. It is increasingly being used in consumer applications, such as smartphones and smartwatches, as it offers convenience, security and hassle-free network selection. Consumers can easily switch carriers or use local networks when travelling abroad.
According to industry reports, the adoption of eSIM technology in India has been gradual, with Apple introducing eSIM-supported iPhones in 2019 for select models. Android phone manufacturers have been slower in adopting this technology due to the higher cost of eSIM-compatible chips and some users preferring the perceived simplicity of physical SIM cards. However, many newer smartphones from Samsung, Google and other manufacturers now support the eSIM functionality.
Benefits of eSIM
eSIM cards offer safety due to their tamper-proof design, which prevents theft or loss. They can be programmed to request confirmation from operators when a user profile is changed, making them more reliable than physical SIMs because they can be interrupted, making eSIMs a safer option for devices. In addition, using them for mobility provides flexibility, allowing users to switch SIMs based on network availability in their city or area, ensuring worldwide accessibility. This feature is particularly beneficial for frequent travellers, as they can switch SIMs seamlessly during country changes.
Further, an eSIM allows users to have multiple phone numbers, allowing for easier management of communications. It can be used in conjunction with a physical SIM card, allowing for personalised connectivity across devices. This feature is similar to dual-SIM phones, making it ideal for separating personal and work use without the need for multiple devices. Furthermore, eSIMs benefit original equipment manufacturers, users and telecom operators since they do not require a specific card slot. Nano SIMs, currently used in modern smartphones, are 8.8 mm in size, while eSIMs are 4 mm smaller, allowing manufacturers to add features such as increased battery capacity and better cooling systems. eSIMs also improve a phone’s ingress protection rating against water and dust, as there are fewer points from where water and dust can enter.
Use cases of eSIMs
Finance: The rise of eSIMs has revolutionised India’s banking sector, particularly in mobile banking. This digital transformation has made banking services more robust, efficient and user-friendly as people can easily manage their banking activities, including transactions, bill payments and account set-up. Moreover, the widespread adoption of eSIMs has reduced the need for physical banks in rural areas, benefiting those with limited bank branches.
Automation: eSIMs facilitate dynamic switching of network providers, ensuring uninterrupted connectivity for efficient fleet operations and enhancing driving experience. Vehicle manufacturers and service providers can use eSIMs to enhance in-car systems, enabling real-time data exchange, intelligent navigation, software updates and emergency services. eSIMs can also enable secure ticketing in public transportation by allowing passengers to tap their smartphones or wearables on the ticketing terminal. This eliminates the need for physical tickets or smart cards, improving passenger experience and reducing operational costs.
Infrastructure: eSIM technology offers a secure and efficient solution for managing internet of things (IoT) connectivity in smart cities. It allows for remote provisioning and management, enabling IoT devices to be configured and updated remotely, reducing the need for physical intervention. eSIMs also allow for over-the-air updates, enhancing flexibility in smart city deployments.
Agriculture: eSIM technology is a crucial tool in modern farming, providing farmers with real-time information about their farms and enhancing decision-making. It allows farmers to monitor soil conditions, weather patterns, crop health, and irrigation systems, ensuring efficient water use and predicting pest attacks. It also enables the remote monitoring of animals’ health and location tracking, reducing risks associated with livestock rearing. Interconnected devices can manage tasks autonomously, reducing manual labour and repetitive tasks. eSIMs also promote predictive analysis by cross-referencing data sets, promoting proactive strategies for mitigating risks and optimising farm management.
eSIM market trends in India
The mass adoption of eSIM technology in India is largely dependent on collaboration between device manufacturers, mobile network operators and industry standards organisations. Initially, eSIMs were primarily found in smartphones and smartwatches, but now a wider range of devices support the technology, including tablets and laptops. It is also integrating with virtual assistants such as Siri, Google Assistant and Alexa, making managing mobile connectivity more convenient and hands-free.
Telecommunication companies are also expanding their support for eSIM technology, recognising its potential to simplify device activation and network switching processes. These trends collectively contribute to the robust growth and evolving landscape of the eSIM market. With an increasing number of smartphone manufacturers incorporating the technology, the market size is expanding, not only in high-end devices but also in mid-range models. This growth is due to improved connectivity and more flexibility for network providers. As smartphones become more essential, this trend is expected to drive the market growth of eSIMs, making them a standard feature in future mobile devices.
Vodafone Idea Limited (Vi) has introduced eSIM services for its prepaid customers in Kerala, New Delhi, Maharashtra, Goa and Mumbai. This move is a significant step towards providing seamless, faster and eco-friendly connectivity for millions of citizens. eSIM allows for greater convenience and flexibility, allowing users to use a second SIM card without removing the primary SIM. Both post-paid and prepaid Vi customers can now enjoy the eSIM feature on their handsets.
Further, the integration of eSIMs into IoT devices is a growing trend, driven by its ability to provide reliable and flexible connectivity solutions for various devices, including wearables and industrial sensors. The small form factor and remote provisioning capabilities make eSIMs an ideal solution for IoT devices, enabling seamless global deployment and management.
According to the Telecom Regulatory Authority of India (TRAI), eSIMs are expected to leverage a new industry standard that facilitates remote programming and deployment. This adaptability enables device manufacturers, cellular operators, users or third-party eSIM managers to seamlessly program devices for network operator switches, eliminating the necessity for physical SIM card replacements.
TRAI has also issued recommendations on the use of eSIM for machine-to-machine (M2M) communications. The recommendations aim to streamline the regulatory landscape of M2M eSIM in India, emphasising the importance of proper know your customer (KYC) for network security, mitigating fraud risks and enhancing the ecosystem’s integrity. TRAI also recommends a framework for profile switching of eSIMs and swapping of subscription manager-secure routing, which will provide flexibility to users and promote healthy competition in the sector.
Other key initiatives taken by the government include:
- eSIM technology and Digital India: eSIM technology aligns with the goals of the Digital India programme, as it offers a more convenient and seamless way to connect and communicate.
- BharatNet project: The BharatNet project aims to provide broadband connectivity to rural and remote areas through advanced technologies such as eSIMs, which can bridge the digital divide by extending connectivity to areas with limited physical infrastructure.
- IoT policy: The Indian government has introduced an IoT policy, emphasising the role of eSIMs in facilitating connectivity for IoT devices and promoting their adoption. This policy aims to develop IoT ecosystems, including eSIM technology, to drive innovation and economic growth.
Challenges and the way forward
Consumer awareness and standardisation are crucial for the widespread adoption of eSIM technology. Educating users about the benefits and dispelling misconceptions about security and complexity is essential for smooth operations and user experience. However, eSIM cards have disadvantages such as the difficulty in switching devices during emergencies and limited support for premium phones. The secure provisioning of eSIM profiles is another challenge, as they are remotely programmable and require robust security measures to prevent unauthorised access or tampering. The support for eSIM may be limited in certain regions or available only with specific mobile network operators. Not all devices or carriers may support eSIMs, which could limit its widespread adoption. In an era of increasing cybercrime, eSim companies must be vigilant and guard against misuse to ensure that the sector’s progress does not meet roadblocks.
The rise of eSIMs in India signifies more than just a change in hardware; it is a shift towards a more connected and flexible mobile ecosystem. As technology advances, costs decrease and user awareness grows, eSIM is poised to become the norm. The benefits for both users and businesses are undeniable, offering a simpler, more secure and adaptable way to connect to the ever-expanding digital world. As more manufacturers introduce eSIM-enabled devices and more network operators offer service plans, the Indian market is expected to see increased adoption and availability.
