Carrying a physical SIM can be a hassle, and due to its thumbnail-size, it is prone to getting lost easily. However, as the technology has evolved, Apple and Samsung now offer the option of an eSIM in their phones.
If you are wondering what the “e” stands for – it is “embedded.” The name speaks for itself. eSIM is somewhere buried in your phone from the very start. With an eSIM, you no longer need to worry about losing your SIM card. Read on to learn how eSIM works and explore its pros and cons!
Related Read: The Best Mobile VPN for Android and iOS in 2024
Different types of SIM cards
A SIM (Subscriber Identity Module) card serves as your identification on your registered mobile network, enabling calls and SMS messaging. SIM cards have traditionally taken the form of physical cards, designed to be detachable and transferable between different phones.
Therefore, moving to a new phone is simple. All you have to do is remove the SIM card from the tray in your current phone and put it into the new one, shifting your phone number, texts, and contacts.
However, switching networks requires obtaining a new SIM card. These cards come in standard, micro, and nano sizes. In recent times, the emergence of eSIM marks a shift. As a virtual SIM, it eliminates the physical card, streamlining activation and enabling remote network changes.
What is eSIM and How Does it work?
eSIM, or embedded SIM, is designed to replace the traditional physical SIM card. Unlike standard SIM cards that you can insert and remove, an eSIM is permanently integrated into your device’s motherboard.
This innovation offers the same functionality as a regular SIM card but with an added unique capability: it is programmable, allowing for enhanced flexibility and ease of use.
This programmability empowers users to seamlessly switch network operators without needing to physically swap cards. The entire process is managed within the device’s electronic framework, enhancing the user experience.
Currently, eSIM is commonly used in a dual-SIM setup, where a physical SIM card serves as the primary option and the eSIM functions as the secondary choice.
How Can I Activate eSIM on My Phone?
Just follow these steps:
- Buy an eSIM plan from your carrier’s app or website.
- You will get a QR code and additional information via email or their site/app.
- Scan the QR code or enter the details to activate.
What devices support eSIM?
Here is a list of devices that currently support eSIM:
| Brand | Model |
| Apple | iPhone XS, iPhone XS Max, iPhone XR, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone 12 mini, iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 13 mini, iPhone 13, iPhone 13 Pro, iPhone 13 Pro Max, iPad Pro (11-inch 2nd generation), iPad Pro (12.9-inch 4th generation), iPad Air (4th generation), iPad (9th generation), iPad mini (6th generation), iPhone 14, iPhone 14 Max, iPhone 14 Pro, iPhone 14 Pro Max |
| Samsung | Galaxy S20, Galaxy S20+, Galaxy S20 Ultra, Galaxy S21, Galaxy S21+, Galaxy S21 Ultra, Galaxy S22, Galaxy S22+, Galaxy S22 Ultra, Galaxy Note 20, Galaxy Note 20 Ultra, Galaxy Z Fold, Galaxy Z Fold 2, Galaxy Z Fold 3, Galaxy Z Fold 4, Galaxy Z Flip, Galaxy Z Flip 3, Galaxy Z Flip 4, Galaxy A52 5G, Galaxy A53 5G, Galaxy A72 5G, Galaxy A73 5G, Galaxy S23, Galaxy S23+, Galaxy S23 Ultra |
| Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL, Pixel 4, Pixel 4 XL, Pixel 4a, Pixel 4a 5G, Pixel 5, Pixel 5a 5G, Pixel 6, Pixel 6 Pro, Pixel 6a, Pixel 7, Pixel 7 Pro | |
| Huawei | P40, P40 Pro, P40 Pro+, Mate 40, Mate 40 Pro, Mate 40 Pro+, Mate X2, Mate Xs |
| Motorola | Razr 2019, Razr 5G, Edge+ (2022), Edge 30 Pro |
| Nokia | XR20, G50 5G, X100 5G, X20 5G |
| Sony | Xperia 1 II, Xperia 1 III, Xperia 5 II, Xperia 5 III, Xperia 10 III, Xperia 10 III Lite, Xperia 1 IV, Xperia 5 IV, Xperia 10 IV |
| Xiaomi | Mi 11, Mi 11 Pro, Mi 11 Ultra, Mi 12, Mi 12 Pro, Redmi Note 11 Pro 5G, Redmi Note 11 Pro+ 5G, Redmi Note 12 Pro 5G, Redmi Note 12 Pro+ 5G |
While many smartphones incorporate eSIM as a secondary option, U.S. versions of iPhones exclusively use eSIM, eliminating the need for physical SIM slots. However, eSIM is not supported in every country. If you have an eSIM-only device and travel to an area requiring a physical SIM, you will need to get a different phone.
Advantages of eSIM
Seamless Travel Connectivity
When traveling, eSIMs prove to be a game-changer. You are no longer constrained by the need to physically insert a local SIM card; instead, you can effortlessly switch to a local network in your destination country.
This not only provides potential cost savings compared to costly roaming charges but also reduces the risk of misplacing your primary SIM card.
Effortless Network Change
eSIMs have the capability to manage up to five virtual SIM cards simultaneously. This functionality enables rapid switching between networks, which proves valuable in instances where your main network encounters signal issues.
This versatility guarantees that you remain connected even in areas with weak signals.
Multi-Number Convenience
The integration of eSIM technology grants you the ability to effortlessly handle multiple phone numbers on a single device. This feature proves invaluable for those seeking to maintain a clear distinction between their work and personal communications.
Space Efficient
eSIMs eliminate the need for physical SIM cards and trays. This could lead to more battery space or additional features in smartphones, while also providing better protection against moisture and dust.
Disadvantages of eSIM
Tracking and Anonymity
While traditional SIM cards allow users to enhance their privacy by removing the card from their phone, eSIMs remain consistently active on the carrier’s network, making tracking more convenient.
Security Implications
Unlike traditional SIM cards that store information solely on the card itself, eSIMs have user data residing on the carrier’s backend server. This distinction renders eSIMs vulnerable to breaches or cyberattacks, accentuating the importance of robust security measures.
Data Transfer Complexity
When upgrading to a new phone, shifting personal data like contacts from a traditional SIM card is seamless – a matter of transferring the card.
However, the process becomes more intricate with eSIMs. Instead of physically transferring the card, users need to retrieve data from the cloud, extending the transition period beyond the simplicity of traditional SIM cards.
Frequently asked questions
Which is better: sim or eSIM?
Both have their own perks. A physical SIM card allows for easy device swapping and compatibility across a wide range of devices, making it convenient for those who frequently switch phones or travel.
Whereas, eSIM eliminates the need for a physical card, enabling remote activation, which is particularly useful for phones and smart watches.
eSIM’s flexibility, reduced need for physical components, and potential for easier device management make it a more forward-looking choice.
Does eSIM drain the battery?
eSIM does not significantly drain the battery more than a traditional SIM card as its energy consumption is minimal.
Final word
The rise of eSIM marks a significant shift in how we maintain connectivity through our phones. This innovative technology simplifies the process of network switching and device setup, enhancing convenience for users.
With time, it is highly likely that eSIM will gain more popularity compared to the traditional SIM cards we are accustomed to. The convenience of having multiple networks on a single device and the space-saving aspect make eSIM a compelling choice.
While conventional SIM cards still retain widespread use, the tangible benefits offered by eSIM may indeed usher in a significant transformation in how we engage with our phones for communication.
