eSIM is Future: Why Telcos Are Moving Away from Physical Cards

The way we connect to mobile networks is changing. Around the world, telcos are shifting from traditional SIM cards to a more modern solution, which includes the eSIM, or embedded SIM. This small but powerful upgrade is already transforming how we activate, manage, and switch mobile plans.

At Circles.Life, we’ve embraced this shift to create a better, faster, and more seamless experience for our users. As one of the early adopters of eSIM in Singapore, we’re committed to helping customers enjoy the benefits of a fully digital mobile journey.

In this guide, you’ll discover:

• What Is an eSIM and How Does It Work?

• Why Telcos and Users Are Moving Away from Physical SIMs?

• The Global Push: Mobile Brands and Telcos in the eSIM Transition

• Challenges Slowing eSIM Adoption

• Why Circles.Life Is at the Forefront of the eSIM Revolution

• Popular eSIM Plans of Circles.Life

What Is an eSIM and How Does It Work?

An eSIM, or embedded SIM, is a built-in chip inside your device that performs the same function as a traditional SIM card. Unlike a physical SIM that you need to insert manually, an eSIM is activated digitally. It stores your mobile plan and connects your phone to the network without needing a plastic card.

The key difference between an eSIM and a physical SIM is flexibility. With an eSIM, you can switch plans, change providers, or activate a number almost instantly. No need to visit a store or wait for delivery.

Many modern smartphones, tablets, and wearables now support eSIM. Devices like the iPhone 14 series, Google Pixel phones, and newer Samsung Galaxy models come with eSIM functionality built in. Even some laptops and smartwatches can be connected through eSIM.

At Circles.Life, we’ve fully embraced eSIM. Whether you're a new user or switching from a physical SIM, activation is quick, secure, and done entirely online. It’s perfect for digital-first users who want control, speed, and convenience from their telco experience.

Why Telcos and Users Are Moving Away from Physical SIMs

The adoption of eSIM technology is accelerating worldwide and Singapore is no exception. A 2023 GSMA Intelligence report found that eSIM adoption in Asia-Pacific is growing at over 40% annually, driven by demand for faster setup, smarter connectivity, and eco-friendly alternatives. Telcos are responding by phasing out physical SIM cards in favor of more seamless and scalable digital solutions.

Reduced Costs and Environmental Impact

One of the biggest reasons for the shift is cost efficiency. eSIMs eliminate the need for plastic SIM cards, printed packaging, and global shipping logistics. This not only lowers operational costs for telcos but also reduces plastic use and electronic waste, contributing to a more sustainable telecom industry.

Instant Activation

eSIMs enable over-the-air provisioning, which means users can activate their mobile plans without needing to visit a store or wait for delivery. It’s quick, secure, and perfect for people who want to get started in minutes. Many eSIM-ready devices also allow multiple profiles, making it ideal for those who frequently switch between travel and local numbers.

Multiple Lines in One Phone

eSIM lets you use more than one number on a single device. This makes it easy to manage work and personal lines on the same phone, without needing two physical SIM slots. Switching between plans is also instant and seamless.

Seamless Connectivity for Frequent Travellers

For digital nomads and frequent fliers, eSIM simplifies global connectivity. You can activate a travel plan before your trip, skip the SIM card queues at airports, and stay connected as soon as you land.

Circles.Life Roaming Plans make this experience even easier, offering affordable data in over 60 countries with no contract or hidden fees. Whether you’re on vacation or working abroad, eSIM ensures you stay connected without disruption.

Multi-Device Management

An eSIM can be used across a range of connected devices, from smartphones and tablets to smartwatches. This makes it ideal for those managing multiple devices or using wearables. It also opens the door for smarter home systems and Internet of Things (IoT) applications.

Enhanced Security

Unlike physical SIMs, eSIMs cannot be removed easily, making them more secure in the event of phone theft or loss. They are also harder to clone or tamper with, adding another layer of protection for users who care about privacy and data security.

The Global Push: Mobile Brands and Telcos in the eSIM Transition

Major smartphone brands are accelerating the global shift to eSIM. Apple has been a key driver of this transition. Since the iPhone XS, Apple has supported eSIM technology, and with the launch of the iPhone 14 in the United States, Apple introduced its first eSIM-only mode, which is a clear signal that the future is digital.

Other manufacturers like Google, Samsung, and Huawei have also adopted eSIM across their flagship devices. With more eSIM-compatible phones entering the market, telcos are following suit to keep up with user expectations and global tech trends.

Circles.Life is at the forefront of this movement in Singapore. We support eSIM across our mobile plans and offer a fully digital onboarding experience. From instant eSIM activation to seamless switching, Circles.Life makes it easy for users to take full advantage of eSIM’s flexibility and speed.

Challenges Slowing eSIM Adoption

While eSIM offers clear advantages, a few challenges are still holding back widespread adoption. These limitations vary across regions and user groups, but most can be overcome with better support and education.

Limited Device Compatibility

Not all smartphones currently support eSIM, especially budget or entry-level models. Many of these devices still rely solely on physical SIM slots. eSIM functionality also depends on OEM (original equipment manufacturer) support, which means device makers need to build this capability directly into their hardware.

As more brands adopt eSIM in mid-range models, this gap is expected to close over time.

Consumer Awareness and Education Gaps

For many users, eSIM is still a new concept. Some are unsure how activation works or worry that switching providers will be more complicated without a physical card. Others hesitate because they don’t know whether they can easily move their eSIM profile to a new phone.

Clear, simple onboarding guides and responsive support teams can help address these concerns and build confidence in the technology.

Regulatory and Interoperability Issues

In some countries, eSIM adoption is slowed by varying telecom regulations and standards. Not all mobile operators support eSIM, and compatibility between networks is not always seamless. This is especially common in developing markets where infrastructure may lag behind global trends.

As international standards improve, these issues are expected to become less of a barrier.

Why Circles.Life Is at the Forefront of the eSIM Revolution

At Circles.Life, we believe mobile connectivity should be fast, flexible, and built around your lifestyle and not a plastic card. That’s why we were one of the first telcos in Singapore to offer full eSIM support, giving users a 100% digital experience from sign-up to activation.

Activating your Circles.Life eSIM is simple. Once you select your plan, you’ll receive a QR code via email. Scan it using your eSIM-ready phone, and you're connected in minutes — no waiting, no store visits, and no SIM card swaps.

Our eSIM offering also powers Jetpac, a travel-focused solution perfect for digital nomads and frequent flyers. Whether you're headed to Japan, Europe, or the United States, you can activate travel data instantly through Jetpac, avoiding high roaming charges and physical SIM hassles.

With a focus on digital-first services, Circles.Life is built for users who value freedom, speed, and control. From app-based account management to paperless onboarding, every feature is designed to simplify your mobile experience — especially for tech-savvy users and remote professionals.

Popular eSIM Plans of Circles.Life

(As of June 2025)

Note: Plan details are based on current availability and may be updated. Always check circles.life for the most recent pricing and perks.

Make the Switch to eSIM with Circles.Life Today

The shift from physical SIM cards to eSIM is more than a tech upgrade. It’s a smarter, faster, and greener way to stay connected. With lower costs, quick setup, and a fully digital experience, it’s no surprise that users and telcos around the world are leaving physical SIMs behind.

Circles.Life is leading the eSIM movement in Singapore, offering flexible plans, instant activation, and full support for modern users. Whether you travel often, manage multiple numbers, or simply want a more convenient mobile setup, eSIM gives you the control you need.

If you haven’t tried eSIM yet, now’s the time. Skip the store, skip the plastic, and activate your mobile plan in minutes. Join Circles.Life and experience the future of mobile — today.

Frequently Asked Questions About eSIM

Is eSIM safe to use?

Yes. eSIM technology is secure and tamper-resistant. Because it’s embedded in your device, it’s less likely to be physically removed or cloned. It also makes tracking and recovering your phone easier in case of loss or theft.

Can I switch back to a physical SIM after using an eSIM?

In most cases, yes. If your device supports both formats, you can switch back to a physical SIM. However, this depends on your phone model and mobile provider. Circles.Life supports flexible switching as long as your device is compatible.

Which phones support eSIM in Singapore?

Many newer devices support eSIM, including:

• iPhone XS and newer

• Google Pixel 3 and newer

• Samsung Galaxy S20 series and above

• Huawei P40 series (select models)

Check your phone’s settings or user manual to confirm eSIM support.

How do I activate Circles.Life eSIM?

Switching from another telco to Circles.Life eSIM is a seamless and straightforward process. All you need to do is verify your phone's compatibility, choose your plan, and we'll guide you through the rest.

Here’s a step-by-step guide:

• Check compatibility: Ensure that your device supports eSIM technology.

• Choose your plan: eSIM is available on all Circles.Life plans! Simply visit our website and select your preferred plan.

• Receive QR code: Once you’ve purchased your plan, we will email you a QR code within 10 minutes.

• Activate your eSIM: Next, go to your phone's settings and choose the option to add a cellular plan. Scan the QR code provided by Circles.Life.

• Set default line: Once activated, you can set your eSIM as the primary or secondary line based on your preference.

• Enjoy your new eSIM: Your Circles.Life eSIM is now active and ready for use. You can manage or change your plan anytime through the Circles.Life app or website.

If you need further assistance with your eSIM setup, watch this tutorial or read the instructions here. Alternatively, reach out to our Circles.Life’s Customer Happiness Team here!

Will I need a new plan for eSIM?

No. Circles.Life’s existing plans work with eSIM and physical SIMs alike. You can choose the same great data, call, and roaming benefits no matter the SIM format.

How do I get an eSIM?

Visit the Circles.Life eSIM page to browse available plans. Choose one that fits your needs, complete your signup, and activate using the QR code sent to your email. That’s it… no delivery, no physical SIM required.