Tag: eSIM

Exploring Different Types of SIM Cards

Subscriber Identity Module (SIM) cards are tiny chips that play a monumental role in connecting our devices to cellular networks. As technology evolves, so do the types of SIM cards available in the market, each tailored to specific needs and use cases. In this article, we’ll delve into four main categories of SIM cards: traditional SIM cards, IoT SIMs, Global SIMs, and eSIMs, exploring their characteristics and example use cases.

1. Traditional SIM Cards:

Overview: Traditional physical SIM cards are the most common type of SIM cards. They come in various sizes, including Standard SIM (2FF), Micro SIM (3FF), and Nano SIM (4FF), to fit different devices. Some may have different SKUs as well, which typically only allow them to work with certain devices. For example, you may not be able to use an older 3G SIM card in a 5G modem. 

Example Use Cases:

  • Smartphones: Standard SIM cards or Nano SIM cards are used in smartphones for voice calls, SMS, and data connectivity.
  • Tablets and Dongles: Tablets and USB dongles for mobile internet typically use Micro or Nano SIM cards for data connectivity.
  • Cellular Routers: Routers with built-in cellular modems will use data-only SIM cards. Older devices typically will use the standard SIM (2FF) size, while newer devices will mainly use the nano-SIM (4FF) size. 

2. IoT SIMs (Internet of Things SIMs):

Overview: IoT SIMs are specifically designed for devices in the Internet of Things ecosystem. They prioritize low power consumption and offer tailored data plans for IoT applications. IoT SIMs closely resemble traditional SIM cards found in smartphones. While some are engineered to withstand harsh environmental conditions, their physical and technological characteristics remain similar.

Example Use Cases:

  • Smart Home Devices: IoT SIMs are used in smart home devices like security cameras, thermostats, and sensors to enable remote monitoring and control.
  • Connected Vehicles: IoT SIMs facilitate communication in connected cars for features like GPS tracking, diagnostics, and over-the-air updates.
  • Industrial Applications: IoT SIMs power machinery, equipment, and infrastructure in industries such as manufacturing, agriculture, and utilities for remote monitoring and automation.

3. Global SIMs:

Overview: Global SIM cards provide connectivity across multiple countries and regions without the need to switch SIM cards or incur high roaming charges. 

Example Use Cases:

  • International Travel: Global SIM cards are ideal for frequent travelers who need uninterrupted connectivity across different countries without the hassle of changing SIM cards.
  • Remote Work: With the rise of remote work, global SIM cards enable professionals to maintain connectivity and productivity while working from different locations around the world.

4. eSIMs (Embedded SIMs):

Overview: eSIMs are built into devices and can be remotely activated or programmed with different carrier profiles, eliminating the need for physical SIM cards.

Example Use Cases:

  • Smartphones and Wearables: eSIMs offer flexibility for users to switch between carriers without changing physical SIM cards, making them ideal for smartphones, smartwatches, and other wearables.
  • Connected Laptops and Tablets: Laptops and tablets with eSIM support can easily connect to cellular networks without requiring external SIM cards, offering seamless connectivity on the go.
  • M2M (Machine-to-Machine) Communication: eSIMs simplify M2M communication by enabling devices like vending machines, ATMs, and digital signage to connect to cellular networks without physical SIM swaps.
  • Cellular Routers: In addition to the traditional SIM card option, newer cellular routers may now have the option for eSIM support. Check out eSIM options from Peplink and Sierra Wireless.  

The diverse range of SIM card options available cater to various needs and scenarios. Understanding the differences between these SIM card types empowers consumers and businesses to make informed decisions when selecting the right connectivity solution for their devices and applications. Whether it’s staying connected while traveling abroad, enabling smart home automation, or powering industrial IoT deployments, there’s a SIM card tailored to meet every connectivity requirement.

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Important Bulletin: Changes to AirLink® R2C/eSIM Support

To Sierra Wireless users, we would like to bring your attention to an important update regarding the AirLink® R2C/eSIM support in select AirLink routers. This bulletin outlines a change in the manufacturing of specific devices that will impact the functionality of the embedded SIM (eSIM).

Change Overview

Currently, certain models such as AirLink LX40/60 LTE and AirLink RV55 LTE routers are manufactured with embedded SIMs to support Ready to Connect (R2C) functionality. However, in the future, these select AirLink routers will be produced without an eSIM. As a result, once this change is implemented, these routers will no longer support the R2C/eSIM functionality.

Action Required

If you are utilizing the embedded SIM (eSIM) feature for R2C Sierra/Semtech Connectivity in your AirLink routers, it is crucial to take note of this change. With the updated manufacturing process, an external 2FF SIM will be required to be inserted into the router to establish a connection to a cellular network.

It’s important to emphasize that no action is necessary if you are not currently using the R2C/eSIM functionality with Sierra/Semtech Connectivity. This change specifically affects users who rely on the embedded SIM for Ready to Connect functionality.

Further Information

For more detailed information regarding this change, we encourage you to refer to the official bulletin available on The Source. Additionally, if you have any questions or need clarification, please do not hesitate to reach out to your authorized AirLink reseller or contact your dedicated Sierra Wireless representative.

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Advantages of eSIM and iSIM Technologies for IoT

Innovations in SIM card technology have paved the way for more efficient, flexible, and secure connectivity solutions. Traditional SIM cards, once ubiquitous, are giving way to embedded SIM (eSIM) and integrated SIM (iSIM) technologies. These advancements are not just incremental improvements; they represent a significant leap forward in the world of IoT connectivity in particular.

The Evolution of SIMs in IoT

Traditionally, SIM cards have been physical, removable chips inserted into devices. However, this design has become a constraint for shrinking IoT devices, necessitating a change. eSIMs, digital SIMs soldered onto a device’s motherboard, offer an enhanced durability, compactness, and remote over-the-air updates. iSIMs, a newer development, integrate with cellular modems and MCUs on a single chip, further reducing size and power consumption. Although iSIMs limit flexibility, their potential in mission-critical IoT applications is unparalleled.

Rise of eSIM in IoT Connectivity

eSIM technology is rapidly gaining ground in the IoT sphere. Juniper Research predicts that by 2026, there will be 195 million IoT connections utilizing eSIMs globally. The popularity of eSIMs can be attributed to their compactness, durability, remote management capabilities, and flexibility through multiple carrier profiles.

Embracing iSIM: Shaping the Future

While still in development, iSIMs hold great promise for revolutionizing IoT connectivity. Their unmatched compactness, power efficiency, and ability to accommodate multiple carrier profiles and security certificates make them ideal for mission-critical IoT applications. As iSIM technology matures, it is poised to become a cornerstone of future IoT deployments.

What are the Benefits of Using an eSIM or iSIM Solution?

eSIMs and iSIMs offer a multitude of advantages in the realm of IoT connectivity. One notable benefit is the increased flexibility they provide to IoT solution providers, enabling them to select the most suitable carrier for each specific application. This not only cuts down costs but also elevates overall performance. Additionally, these SIM technologies boast superior ruggedization, making them exceptionally durable and well-suited for demanding environments, such as those found in industrial automation and asset tracking applications. 

Moreover, eSIMs and iSIMs come fortified with enhanced security features like secure boot and storage, ensuring comprehensive protection against cyber threats and maintaining the integrity of IoT devices. Another significant advantage lies in the reduced costs; these technologies eliminate the necessity for physical SIM cards, substantially lowering the total cost of ownership for large-scale IoT deployments. This financial efficiency makes eSIMs and iSIMs prudent choices for businesses aiming to optimize their IoT solutions.

Where Can I Find an eSIM or iSIM Device?

While we have yet to find any iSIM compatible devices, several of the routers we carry at 5Gstore.com have embraced eSIM technology. These are often compact devices that are powerful LTE and/or 5G solutions for both fixed and mobile applications. 

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Peplink Supports Third Party eSIMs

Peplink has been supporting eSIMs for some time now, but they have incorporated support for third-party eSIMs. This support means that users can obtain services directly from Peplink or other providers, depending on their preference. The streamlined process not only saves time but also simplifies the management of connectivity, making it easier than ever to adapt to changing plans, carriers, or device deployments.

To take advantage of this cutting-edge feature, users need an active Care Plan, InControl 2 (IC2), Firmware 8.4.0 or newer, and a router with an integrated eSIM. Wondering if your router fits the bill? Peplink makes it simple. Just check the cellular WAN details from IC2 to see if there is a SIM card ICCID listed under SpeedFusion Connect 5G/LTE. If you spot it, congratulations! You’re ready to experience the future of connectivity. 

Now let’s take a look at how you set up the eSIM connection. 

Activating the eSIM

Once you have your eSIM data plan, you should receive information from the carrier, like the Access Point Name (APN). This will be needed before moving forward. When ready, navigate to the device level in IC2. Find the “Settings” tab and select “Device Tools” from the drop down.

From the “Command” drop down, select the eSIM Activation option. You can then either click “Scan” to enter the eSIM code automatically, or enter it manually. Click “Submit” when done.

Configuring the eSIM Settings

These next steps are done from the web admin of the Peplink router. This can either be done locally, or through IC2’s remote web admin option (see screenshot below). 

Once at the web admin, click the “Cellular” WAN to access its settings. 

Within the cellular settings, you should see a “BYO eSIM” option. Make sure this option is selected. At the bottom of the cellular settings heading, find the scroll bar and move it all the way to the right. There, you will need to enable “Roaming,” for multi carrier SIMs. Then, select “Custom” for the “Operator Settings,” and enter the APN for the eSIM profile.

Finally, scroll to the bottom of the cellular settings and click “Save and Apply.”

You’re now ready to connect through your eSIM!

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Exploring eSIM Benefits and Integration

In our increasingly digital world, connectivity is a cornerstone of modern life. From smartphones to smart homes, the need for reliable and versatile connections has never been greater. Enter the eSIM (embedded SIM), a technological marvel that is reshaping the way we stay connected. This article explores what eSIM is, its numerous benefits, and its integration into a range of cutting-edge devices.

Understanding eSIM: The Digital Passport for Devices

An eSIM, short for embedded Subscriber Identity Module, is a virtual SIM card that is built directly into a device’s hardware. Unlike traditional SIM cards that need to be physically inserted and replaced, eSIMs allow devices to connect to mobile networks without the need for a physical card. This breakthrough technology is transforming how we interact with networks, offering a wealth of benefits that cater to both consumers and businesses alike.

Benefits of eSIM: Redefining Connectivity

  • Convenience: One of the most significant advantages of eSIM technology is its convenience. Users no longer need to fumble with tiny SIM cards or worry about losing them. Devices can be activated remotely, enabling a seamless setup process.
  • Remote Activation: eSIM enables users to switch carriers or activate new plans without requiring a physical visit to a store. This is especially beneficial for travelers who can purchase and activate local plans on-the-go, ensuring uninterrupted connectivity.
  • Dual-SIM Functionality: With eSIM, devices can have dual-SIM capabilities without the need for a physical second slot. This feature is invaluable for those who need separate personal and work numbers or who frequently travel internationally.
  • Cost Efficiency: The ability to switch carriers and plans without changing the physical SIM card can lead to cost savings. Users can easily opt for the best deals without the hassle of obtaining and replacing traditional SIM cards.
  • Space-Saving Design: eSIM’s compact nature allows device manufacturers to design sleeker, more streamlined products. This is particularly important for smaller devices where space is at a premium.
  • Environmental Impact: The reduced need for physical SIM cards translates to less plastic waste and a smaller carbon footprint.

Revolutionizing Connectivity: eSIM Integration in Various Models

Numerous models have embraced eSIM technology to provide users with enhanced connectivity options. Let’s delve into a selection of these models:

  • BR1 Mini, BR1 Mini Core: Compact and powerful, these models offer eSIM integration for easy network connectivity in remote or mobile environments.
  • BR1 Pro 5G, BR2 Pro: These models combine the power of 5G and eSIM for high-speed connectivity, making them ideal for demanding applications.
  • MAX Adapters (LTEA, 5G): Providing eSIM capabilities, these adapters ensure dependable connectivity in various settings, though SFC Protect is not supported on SFC 5G/LTE plans.
  • UBR Plus, Transit Duo Pro: These models offer eSIM support for reliable network access in critical scenarios, including failover and load balancing.
  • Balance Series (20X, 310X): eSIM integration in the Balance series enhances network reliability and stability for businesses.
  • MAX HD Series (HD2 MBX, HD4 MBX 5G): These models utilize eSIM technology to create robust and high-performing networks.
  • Sierra RV55, Sierra MP70: These devices provide eSIM-enabled connectivity for vehicles, enhancing communication in transportation and remote settings.

The Future of Connectivity: eSIM and Beyond

eSIM technology has proven itself to be a game-changer, offering unparalleled convenience and flexibility in a digitally connected world. As more devices integrate eSIM capabilities, we can expect to see even greater innovation in how we connect and communicate. Whether it’s enabling seamless international travel, enhancing business operations, or supporting critical applications, eSIM’s impact is far-reaching and transformative. As the technology continues to evolve, we can only imagine the exciting possibilities it will unlock for the future of connectivity.

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SIM vs. eSIM vs. iSIM – What is the Difference? 

SIM stands for Subscriber Identity Module or Subscriber Identification Module. It is known as an integrated circuit (IC) and it’s meant to store the international mobile subscriber identity (IMSI) number and its related key. This data is used to identify and authenticate subscribers on cellular devices. In other words, without this information, you cannot make calls or send text messages. 

Did you know there’s more than one type of SIM? 

When most of us think of SIM, we picture the physical card. This is known as a universal integrated circuit card (UICC). The other SIM types are fundamentally the same in that they carry an identity to present to the network. Each will then decide what network(s) you have access to. One major difference with a physical SIM card is that it can be taken out of one cellular device and moved into another. If you need to switch carriers or phones, this makes it easy.  

Eventually, manufacturing companies started embedding SIM cards into the motherboard on devices. This became known as the eSIM and can be a bit smaller than a physical SIM. You’ll generally see these in smartwatches. Since these cannot be moved from one device to another, they are electronically programmable. 

eSIM technology actually makes switching carriers even easier – at least in some ways. Instead of waiting for a new SIM card to ship or going out to pick one up, you can make the switch right on your phone with information provided from your carrier. If your phone has an eSIM inside there will be settings that allow you to configure it. You’ll be able to switch between lines and carriers, and manage your accounts. There are also phones with dual eSIM technology. In this case, you can support multiple accounts on one device. 

So, if a SIM card is a UICC, then an eSIM is an EUICC (Embedded Universal Integrated Circuit Card). An iSIM or Integrated SIM, also known as the Integrated Universal Integrated Circuit Card (iUICC), takes up the least amount of space as it’s the smallest of the technologies. It is capable of everything that the eSIM is capable of. 

As you know, a physical SIM card requires a dedicated slot on a cellular device, while an eSIM requires a dedicated chip soldered to the device’s circuit board. In comparison, an iSIM is embedded within a Tamper-resistant element (TRE) on the device’s system-on-a-chip (SoC). It eliminates the need to depend on discrete SIM hardware and can be activated wirelessly using an industry-wide secure protocol.

In an article released earlier this year, Qualcomm highlighted the main benefits that iSIM technology offers for smartphones, laptops, smartwatches, and other IoT devices and gadgets:

  • Simplifies and enhances device design and performance by releasing space previously occupied within a device
  • Consolidates the SIM functionality into the device’s main chipset alongside other critical capabilities such as GPU, CPU, and modem
  • Enables remote SIM provisioning by the operator leveraging the existing eSIM infrastructure
  • Opens mobile service connection capabilities to a host of devices that previously could not have SIM capabilities built-in

Are companies rushing to adopt eSIM or iSIM technology?

eSIM has actually been around since 2016, but hasn’t been used much outside of IoT and wearable devices. iSIM can lead to some vertically integrated solutions because you’re no longer having to source parts separately. Ideally, both would make everybody’s lives easier, but companies have to upgrade their processes for the sake of customers. Currently, there isn’t really a good process for building a device with an eSIM and then personalizing it with the carriers that you want. Once an eSIM carrier profile has been installed on an eUICC, it operates the same as a physical SIM, complete with a unique ICCID and network authentication key generated by the carrier. For example, if you get an eSIM from T-Mobile, it’s only going to access T-Mobile. It’s not the type you can just move to a different carrier. 

While carriers are finally starting to adopt eSIM, it’s still a slow process and they haven’t really done the same for iSIM yet. For iSIM to catch on, the module manufacturers have to provide good backends for people to be able to then personalize the connectivity. So, with regards to the process, there has to be some kind of functionality for the control of that iSIM to be given over to the solution providers so that they can decide on things like the network provider identity.

The use of iSIM in different forms of smart devices will allow various service providers and industries to harness a large number of data points that can then be harnessed to not only optimize physical assets like devices but also operations and services. Vodafone and Qualcomm showcased a proof of concept working with an iSIM (see earlier article) and demonstrated how an iSIM could be a valuable commodity in upcoming smartphones. For now though, companies like Apple are sticking to the eSIM technology with devices like their iPhone 14. 

So what does all this mean to me?

As the cellular industry and the technology involved progresses, it’s likely we’ll be seeing more eSIM and iSIM integration. With the high bandwidth and low latency benefits brought by 5G, it seems more companies are going to adopt the technology. Perhaps in an effort to keep the overall size of devices down, increase security for users, or to create more universally accessible devices.  Whatever the case may be, the important thing to note is that eSIM and iSIM are really no different than the traditional SIM “card.” You may not be able to touch either of them, but because of their application, the possibilities for the future are greater.

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How to Transfer an eSIM Between iPhones using Bluetooth

With the new iOS 16 for iPhone you can now transfer eSIMs that are issued by supporting cellular carriers. The feature has been made available in multiple countries, including the United States and the United Kingdom.

Earlier this week, the first beta of iOS 16 was put into the hands of developers. They’ve planned a public beta for release in July. Apple says that iOS 16 will be officially released to all users in the fall.

To access the eSIM transfer, go into the Settings app on your iPhone running iOS 16. Click on “Set up eSIM” and it will bring up an option to transfer an eSIM and its associated phone number from another iPhone via Bluetooth. 

Per Apple, the other iPhone must be nearby, unlocked, have Bluetooth turned on, and is running iOS 16 or later.

As always, Apple continues to provide the more traditional option of setting up an eSIM by scanning a QR code provided by a carrier.

What is an eSIM anyway?

An eSIM is a digital SIM that allows you to activate a cellular plan from a carrier without having to use a physical SIM card. 

Users of the iPhone XS and newer have access to a single eSIM, while all four iPhone 13 models support dual eSIMs.

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What is difference between eSIM and iSIM?

An iSIM is an integrated SIM built into a system-on-chip (SoC) and is expected to replace the nano-SIM and eSIM found in most modern-day devices. While both an iSIM and eSIM have similar functions, and benefits, there are some notable differences.

Most phones still have at least one physical SIM card slot for a nano-sized SIM card. The nano-SIM card has existed for years and is an evolution of the Mini-SIM and Micro-SIM card. The eSIM was released years later. It’s a smaller chip than the nano-SIM and is soldered onto the printed circuit board. It works no differently than the nano-SIM in how it connects the device to the mobile network. The difference though is that the eSIM uses multiple profiles it has saved to verify the mobile network, allowing it to connect to any network operator in minutes. 

Unfortunately, the adoption of the eSIM has been very slow. Several manufacturers still make phones that don’t have support for an eSIM and those that do limit it to their high-end models. There are also a lot of mobile operators who have not even adopted the eSIM method. The area where the eSIM is most popular is in the wearable space, such as smartwatches like the Apple Watches. 

Enter the iSIM, which was announced in 2018 by Arm as a secure identity solution that replaces a physical SIM card and an eSIM. An iSIM is supposed to make it easier to connect a wider variety of devices to the internet. Its ease of use and implementation eliminates not only the cost of issuing physical SIMs, but the cost of deploying them and the need for physical access when there is a need to change the mobile network operator. 

With an iSIM, it is also easier to connect IoT devices with a smaller footprint that don’t have space for a physical SIM card. While an eSIM takes up less space than a nano-SIM, an iSIM is much smaller since it is integrated into the device’s processor. This allows manufacturers to use the additional space that would have been occupied by a SIM tray or eSIM for other components. Furthermore, without the need for a physical SIM card, a device with an iSIM (or eSIM) can be easily designed to be water-resistant.

The iSIM brings the benefits associated with an eSIM, but has a significant difference from an eSIM, which can also be termed its biggest advantage – its security. By integrating the SIM with the system-on-chip (SoC), the SIM is protected from being tampered with as it runs on a secure enclave built into the chipset. Also, since an iSIM can’t be removed, it makes it harder to steal a mobile device that has one.

iSIMs are mainly designed for IoT devices as it allows manufacturers to add cellular connectivity to these devices, but as we can see, smartphones can benefit from the advantages it brings. Unfortunately, Qualcomm’s new mobile processor, the Snapdragon 8 Gen 1 appears to be the only mobile platform with support for an iSIM, so the adoption rate may even be slower than that of the eSIM.

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T-Mobile Add Cellular Plan to Verizon Phone (iOS 12)

Coming soon to an iPhone near you!

Starting with iOS 12 and the iPhone XS or iPhone XS Max, there is now the ability to add additional carrier data plans via “Add Cellular Plan” option under Settings.  This uses a technology called eSIM and has been available in the iPad Pro for some time.  It is pretty cool having a single device work with Verizon, AT&T and T-Mobile.

Once T-Mobile offers the ability to “Scan QR Code”, you will be able to add a 2nd line of service to your existing Verizon, AT&T or Sprint iPhone.

 

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