How to Add eSIM: A Complete Guide for iPhone and Android Users

Today, practically no one knows what an eSIM is and what its real advantages are. This remote SIM card, which does not have a physical carrier, offers many amenities, including the lack of a permanent plastic SIM card change.
Every year, more and more smartphones, including iOS and Android devices, support this technology, which makes it easy to switch the operator or use multiple numbers on one device.
If you want to start using eSIM but do not know how to add eSIM to your device, then you are in the right place. Read this guide and take advantage of the latest technology.
What is eSIM, and How Does it Work?
An eSIM is a SIM card built into a device that is activated and works remotely. Unlike physical SIM cards, eSIM makes it easy to switch carriers or change data plans without having to replace the card.
The advantages of eSIM include the convenience of using multiple numbers on one device, compactness (saves space in a smartphone), increased reliability (less risk of damage), and the ability to activate quickly. In addition, eSIM provides a more secure connection.

How to Add eSIM to Phone
Let’s look at how to add eSIM on iPhone and Android. In addition, letβs touch on the topic of adding eSIM without a QR code and adding a number to eSIM.
*Note: Before adding eSIM to your device, check its compatibility with eSIM technology.
How to Add eSIM to Android Phones
After you have selected an eSIM operator or provider, and paid for the required tariff plan, the provider will send you a QR code, which is necessary for subsequent remote activation on your Android:
- Open Settings.
- Network & Internet.
- Mobile Network.
- Add eSIM.
- Use a QR Code.
- Scan a QR Code.
- Follow the instructions on the screen to add eSIM.
After adding the eSIM, select a name for the plan (for example, βPersonalβ or βWorkβ) if you use multiple numbers.
How to Add eSIM on iPhone
After you have selected an eSIM operator or provider, like eSIM Plus for mobile data, and paid for the required tariff plan, the provider will send you a QR code, which is necessary for subsequent remote activation on your iPhone:
- Open Settings.
- Mobile Data.
- Add eSIM.

- Use a QR Code.
- Scan a QR Code.
- Follow the instructions on the screen to add eSIM.
After adding the eSIM, select a name for the plan (for example, βPersonalβ or βWorkβ) if you use multiple numbers.
*Note: If you encounter any problems, restart your device or contact your operator for additional assistance.
How to Add eSIM Without a QR Code
If for some reason you do not have a QR code, then you can add an eSIM using the following methods:
- Manual input. Contact your eSIM provider β Settings β Mobile or Cellular Data β Add Mobile Data Plan β Enter Details Manually.
- Carrier apps. Download your carrier’s official app from the App Store or Play Market. Log in to the app and follow the instructions to activate the eSIM.
These methods will allow you to activate the eSIM without using a QR code, providing convenience and flexibility in the setup process.
How to Add a Phone Number to eSIM
Here is a short step-by-step guide on how to add phone numbers for eSIM on different devices:
iPhone: Settings β Cellular β Add Cellular Plan.
- If you receive a new number from an operator, follow the instructions to scan the QR code or enter the data manually received from your operator.
- Contact your carrier to transfer the current number to eSIM. This can usually be done through the operator’s application or through its service center.
Android: Settings β Network & Internet β Mobile Network β Add Carrier β Add eSIM.
- Contact your carrier to transfer the existing number to eSIM. In some cases, the operator may send a code or an activation link.
- After confirming the transfer, the number will be added to the settings.

How to Switch Between eSIM Profiles
Users can also add multiple eSIM profiles, depending on the capabilities of their devices, and easily switch between them. You can do this in the settings: Settings β Cellular or Network β Cellular Data β eSIM Profiles. Select the profile you want to use for data, calls, or messages, and set the priority between the numbers.
These settings allow you to flexibly switch between eSIM profiles, for example, to use different operators or tariff plans, which is convenient for traveling or separating work and personal contacts.
Troubleshooting Common eSIM Issues
Here is a list of common problems that users may encounter when using eSIM. However, they are all related to incorrect activation or user inattention:
#1 Activation error. The device cannot connect to the network.
What to do?
Double-check the activation data, make sure that the device supports eSIM, and restart the phone.
#2 Network issues. The signal is weak or absent.
What to do?
Check if the eSIM is configured correctly. Update the operator’s settings in the smartphone menu or contact customer support for additional instructions.
#3 eSIM compatibility problems. The device is not compatible with eSIM technology.
What to do?
Check device compatibility with eSIM in advance. Use another device.
Benefits of Using eSIM Over Traditional SIM Cards
Compared to traditional SIM cards, eSIM offers users convenience, and flexibility, as well as space and time savings when changing a SIM card. eSIM does not need to be changed when changing the operator, tariff, or country of residence. It can be easily activated online without visiting the offices of mobile operators, thereby simplifying travel usage.
In addition, eSIM makes it easy to use multiple numbers on a single device, which is convenient for business users or those who want to separate personal and work calls.
Finally, eSIM saves space inside the device, allowing manufacturers to create more compact and elegant smartphones, as well as increasing their reliability since there is no physical card slot, which can be subject to wear.

Conclusion: Is Adding eSIM Right for You?
eSIM is a unique and convenient tool that provides stable and high-quality communication without unnecessary trips to the mobile operator’s office for activation. eSIM allows you to stay connected when traveling, on business trips, or just being in your own country. It allows you to easily switch between multiple profiles without changing physical SIM cards.
At the same time, eSIM frees up space inside the device, improving its design and reducing the risk of damage to the SIM card.
eSIM is the future that is already available to everyone. Therefore, add eSIM to your device and enjoy a seamless connection.