How many eSIMs can a phone support at most? A detailed guide for iPhon

In the digital age, eSIMs have become the ideal choice for those seeking a flexible travel experience. But how many eSIM cards does a phone support? Can you use two eSIM cards simultaneously? In this article, Aviro answers all these questions in a comprehensive and easy-to-understand manner!

What is an eSIM and how many numbers can it integrate?

An eSIM (embedded SIM) is an electronic SIM card built into the phone's hardware, eliminating the need for physical removal. Users can add or change plans with just a few taps on the screen.

Most new phones allow you to store 5 to 10 eSIM cards, depending on the device. Only one or two eSIM cards can be activated . Storing multiple eSIM cards does not mean you can use all of them at the same time.

Number of eSIMs on iOS and Android phones

1. How many eSIMs does the iPhone support?

iPhone 12, XR, XS: Supported 1 physical SIM card and 1 eSIM card Use simultaneously. Depending on the iPhone model, storage capacity can reach up to 5 eSIM cards.

iPhone 13 and later: Supported Up to 8 eSIM cards , and can Activate 2 eSIM cards at the same time

This feature is very convenient for users who need to distinguish between personal and work numbers, or activate a travel eSIM when traveling abroad without having to remove the main SIM card.

2.Android How many eSIMs are supported?

Google Pixel 3 and later: supports 1 eSIM card and 1 physical SIM card

Samsung Galaxy S20, S21, S22, Z Fold, Z Flip: Depending on the model, can store 5-7 eSIM cards

Some newer Huawei, Oppo, and Xiaomi devices also support eSIM, but dual eSIM functionality is limited.

Generally speaking, Most Android phones can only have one eSIM active at a time , although they can store multiple eSIMs.

How to manage and switch eSIMs

Nguồn: Canva

1. How to manage eSIM

Since your phone can accommodate multiple eSIM cards, it's crucial to manage them efficiently. To help you avoid confusion and use the right eSIM card when you need it, here are some tips:

Name each eSIM : When installing, you should specify a clear name, such as "Work", "Study Abroad", "Japan Travel", "Aviro Singapore", etc., so that it is easy to identify when switching or starting.

dedicated : Assign different uses to each eSIM card. For example: eSIM 1 for calls and texts (work), eSIM 2 for mobile data (internet), and eSIM 3 for travel.
Deactivate unused eSIM cards : Deactivate unnecessary eSIM cards to save power and reduce clutter. You can reactivate them at any time in seconds.
Choosing the right eSIM card for travel : Instead of using international roaming, it is better to activate a local operator's travel eSIM card (such as Aviro's eSIM card). However, If you want to use both an international eSIM and a domestic eSIM, please make sure your device supports dual eSIM.

2. Necessary conditions for using two eSIM cards at the same time

Starting with iPhone 13, Apple supports using two eSIM cards at the same time, without the need for a physical SIM card. To enable this feature, you need to meet the following conditions:

Your iPhone must be iPhone 13 or later

Unlock your device to use eSIMs from multiple carriers
iOS software should be updated to the latest version to ensure compatibility.

3. How to install and use 2 eSIMs simultaneously

Source: Canva

Step 1Install the First eSIM

Go to Settings > Cellular
Select Add Mobile Package
Scan the QR code or enter the eSIM information provided by Aviro
After installation, give the eSIM a name (e.g. "Work", "Travel") for easier management

Step 2: Install the second eSIM card

Repeat the above steps to add the second eSIM
Give the eSIM a unique name (e.g. "Personal", "Aviro Singapore")

Step 3Activate and Manage Both eSIMs

Go to Settings > Cellular
Make sure both eSIM cards are activated
Select default eSIM:

Calls and messages : Select the primary eSIM card to make and receive calls and messages
Cellular data : Select which eSIM card to use for cellular data. You can also turn on "Allow Switch to cellular data , allowing your iPhone to automatically switch between two eSIM cards based on signal coverage and availability.

Step 4: Manage calls and messages between two eSIM cards

In "Phone" app In the SIM card, the carrier name will be displayed to let you know which eSIM card is in use. When making a call, you can choose which eSIM card to use.

The pros and cons of using multiple eSIMs

Using multiple eSIMs in your phone offers significant benefits, such as:

Flexible when traveling : Easily switch between international eSIM and domestic eSIM
Separation of work and personal : Use one eSIM card for work and one eSIM card for personal communication, no need for two phones
Quickly switch packages : Switch to another network or data plan in just a few steps without removing the SIM card

Reduce risk : No need to worry about losing the physical SIM card, no need to frequently remove and install the SIM card slot
Store eSIMs for multiple destinations : This is very useful if you frequently visit certain countries (e.g. Singapore, South Korea, Japan...)

Simultaneous startup limit : Even though you can store multiple eSIMs, you can only use one or two at a time.
Difficulty switching between devices : Some carriers restrict the ability to transfer eSIM cards from one device to another
Set up the required initial network connections : eSIM requires an Internet connection (Wi-Fi or data) to scan the code and activate

Using multiple eSIM cards on a mobile phone is becoming more and more popular and convenient, especially for users who travel frequently or need to use multiple phone numbers. Aviro Travel eSIM Card , whether you are at home or abroad, you can always stay connected!