eSIM Advantages & Disadvantages (2024)

Your tiny sim card holds a lot of your data including your phone numbers, messages, contacts, etc. Along with this, it is your sim card that has the responsibility to connect your phone to the nearest available network of your operator. Without a sim card, your phone can’t place network calls, use mobile data, or send normal messages to others.Usually, a sim card is placed in the sim card slot in phones. These slots are available in both smart and keypad phones. Earlier phones, smart or keypad ones, had space for just one sim card. However, over time, dual sim phones were launched to help people manage two numbers from different operators in a single phone. Now, eSIMs are the latest advancement in the sim card technology field.

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eSIMs don’t need an extra slot for placement. They are already embedded in the phone by the manufacturer. All the users need to do is configure the eSIM for their network and database. Users can store data for multiple profiles in a single eSIM card, but only one stays active at a time.

Since ESIM technology is quite new for people, we believe a detailed article on the advantages and disadvantages of eSIM is definitely required. We will also talk about the steps involved in converting a physical sim to an ESIM as an Airtel user.

Also read: What is R-Sim Card and How Does it Work?

So, let’s get started with the advantages of eSIM. Then, we will move on to the disadvantages of eSIM.

Pros and Cons of ESIM

ESIM is still a new concept for many users. It was originally introduced by Apple for iPhones. ESIM technology has its fair share of pros and cons too. Let’s look at the pros first.

eSIM advantages

An eSIM can help you draw a better margin between your personal and professional lives. It is easy to manage and has multiple benefits if you are constantly on the go.

Easier to activate than physical SIM cards

It is easier to activate an eSIM compared to a physical new sim card. In the case of a physical sim card, you have to manually place the sim in just the right way to activate it. You will also need a sim ejector pin to open the sim tray slot in your phone. If you accidentally place the sim the wrong way, your sim card might get damaged. On the other hand, eSIMs can be activated by just scanning a QR code.

Your eSIM gets registered to your mobile network by scanning the QR code. You will be connected to your network in just 15 minutes. A physical sim card might take more time for getting activated.

Switch between networks with a few taps

A single eSIM can store multiple network profiles (the number can go up to 3 or 5). Thanks to this feature, users don’t need to carry multiple physical sims and go through the hassle of inserting them when in need. You can just switch to another network from your phone’s network settings.

Efficient for traveling personnel

If you are a person who travels abroad a lot for business or pleasure, eSIM technology is godsend. Your eSIM can help you switch to local operators easily when traveling. You don’t need to buy a new local physical sim card every time you visit a new country/destination. Save a trip to the telecom store to activate an old sim or to get a new sim. Just use your phone to switch to the local network.

You also don’t need to permanently disable accounts.

Related read: How to Activate or Deactivate International Roaming?

ESIM take up less space

This eSIM advantage is good for both manufacturers and users. Since eSIM doesn’t require a separate slot, the saved space can be used by the manufacturer to add extra features and make better design decisions. The users can get extra features like better battery capacity, faster CPU, or better protection from water and dust, thanks to reduced ingress points.

Additionally, it is easier to change network providers faster with an eSIM.

Although, eSIMs have a multitude of benefits, they also have some disadvantages.

Disadvantages of eSIM

Let’s look at some of the cons.

Hard to switch devices

It can be difficult to switch devices in case of emergencies. For instance, what if your phone stops working suddenly? With a physical sim, you can easily take it out and insert it into another phone. You can’t do that with an eSIM. Moreover, the temp device should support eSIM. That brings us to our next point.

ESIM support limited to premium phones

Currently, eSIM is supported by limited premium phones which are not affordable to everyone. Average users can’t use an eSIM without burning a small hole in their pockets. If one does switch to eSIM, there will be limited phone options.

Should you switch to eSIM?

It depends on every user’s use case and needs. People who are concerned about their privacy and security can switch to eSIM for locking their identification in case of theft.

Or users can wait for manufacturers to introduce mid and small-range phones with eSIM support. The choice is yours!

Also read: An in-Depth Guide About Smart Sim Card

How to convert your Airtel physical sim to eSIM?

If you have decided to convert your physical sim to an eSIM, follow the below steps:

  • Initiate the process with an SMS to 121. Type eSIM <registered email ID> and send it to 121.
  • If the given email ID is valid, you will receive an SMS from 121. This is a confirmation message.
  • Respond to that SMS with the number ‘1’ to confirm your eSIM change request. Remember to respond in 60 seconds.
  • In case your email was not valid, you will have to re-initiate the process by entering the correct mail ID. You will receive a guide SMS from 121 telling you how to update the email ID.
  • Once the initial stage of confirmation is over, you will receive another text from 121 to give your consent over a call.
  • Pick up the call and give your consent for the eSIM request.
  • Post the confirmation, you will get the final message by 121 about the QR code which you will receive on your given mail ID.
  • Check your mail inbox for the QR code. Scan the QR code immediately upon receipt to activate your eSIM.

It will take around 2 hours to activate your eSIM. Meanwhile, your physical sim network will not be interrupted.

Hope this detailed guide on the advantages and disadvantages of eSIM will help you make an informed decision. We certainly think eSIM advantages are many! For any further questions, you can reach out to your local Airtel representative.

Also read: All You Need to Know About eSIM

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eSIM Advantages & Disadvantages (2024)

FAQs

What are the disadvantages of eSIM? ›

If you are using an eSIM and you need to change phones, you will have to contact your local phone provider to enquire how to transfer your eSIM, if that's even possible. While Android and iOS have eSIM transfer tools, not all carriers allow an eSIM transfer.

Is eSIM better than physical SIM? ›

eSIM: eSIMs win big on security. They're embedded in your device, making them hard to clone. This means your data is safer. If your smartphone gets stolen or lost, eSIMs are easier to trace and manage remotely, adding another layer of protection.

Why is eSIM not popular? ›

Device manufacturers are also hesitant to adopt eSIM technology due to concerns about its potential impact on their business models. Integrating eSIM technology into devices requires significant research, development, and testing investment, with no guarantee of widespread adoption or acceptance from consumers.

Are there any benefits to an eSIM? ›

eSims offer additional flexibility over traditional physical Sims – the key benefits include: You can switch between different providers and data/calling plans. eSims can let you switch between providers and change your data/call plans without the need to remove an old physical Sim and replace it.

What is the downfall of eSIM? ›

Limited compatibility is one of the biggest disadvantages of eSIM. If you are an international student, and travelling with a plan to go for eSIM, then you should think twice. While newer smartphones and gadgets offer support for eSIM technology, older models generally don't provide eSIM features.

What is the risk with eSIM? ›

However, you should remember that no connected device is 100% immune to hacking. And since eSIMs are used on connected devices, like any other technology, they are vulnerable to malware, social engineering, and phishing attacks.

Does eSIM drain battery? ›

The short answer is no, not really. An eSIM itself doesn't use more battery than a physical SIM. However, if you're using your phone with two lines (one eSIM and one physical SIM), your phone must maintain a connection to two networks. This can use more battery because your phone is doing extra work.

Does eSIM change your phone number? ›

The answer is generally no. When you install an eSIM, it doesn't directly alter your phone number. Your phone number remains the same, and you can continue to use it as you normally would.

Does eSIM work without internet? ›

The eSIM chip securely stores the profile, allowing the device to connect to the chosen network without relying on an internet connection. In fact, just like how a physical SIM helps you to establish mobile data connectivity with your network operator, an eSIM does the same!

Why is eSIM banned in China? ›

This is because China, a crucial market and the home country of these brands, has strict regulations on e-SIMs due to security concerns. It is not clear if there is an explicit ban, but even Apple, which is the first company to support e-SIMs, does not sell iPhones with e-SIMs in China mainland.

What is wrong with eSIM? ›

Why is my eSIM not working? Your eSIM may not be working because your phone or tablet may not recognize your eSIM. This happens if your eSIM is: Not associated with account - Your eSIM profile must be present on your line in our billing system and must match the number in the device itself.

Which eSIM is best in the USA? ›

1. Saily – best eSIM for the USA. With an array of affordable data plans and coverage across the US, Saily is a perfect choice for travelers who want to avoid high roaming charges and the trouble of acquiring a local SIM card. This eSIM provider has 5 different plans for the US, and they're valid for 7 to 30 days.

What are the cons of using an eSIM? ›

Changing devices might not be straightforward

If you are using an eSIM and you need to change phones, chances are that you will need to contact your local provider to enquire how to transfer your eSIM. While Android and iOS have eSIM transfer tools, not all carriers allow an eSIM transfer.

Can I go back to physical SIM from eSIM? ›

To convert your eSIM to physical sim, you need to first deactivate your eSIM permanently. This will delete all your network details from the existing eSIM. You can't complete the process online or by yourself. Therefore, find the nearest store of your network provider.

Why would someone get an eSIM? ›

What can eSIMs do? Since they're embedded in devices and are programmable remotely, it can open a whole new world of flexibility when it comes to managing your phone and service plans. You can add plans, add a new number, and even connect to a different carrier.

Does eSIM have worse connection? ›

In your quest to find out which is better between eSIM and pSIM (which is the same as physical SIM) you might be wondering if one has better signal strength than the other. The good news is that neither type of SIM is better or worse signal-wise.

Does eSIM have network issues? ›

eSIM network issues

If you own a phone device other than iOS, then here are the following things you might consider to solve the existing eSIM network issues: Check Signal Strength: It is important to understand that poor network coverage can highly impact the function of your eSIM services.

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