In the digital age, eSIM has become the optimal choice for those who prefer flexibility when traveling abroad. But how many eSIMs can a phone support? And is it possible to use two eSIMs simultaneously? In this article, Aviro will help you answer all these questions thoroughly and simply!

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

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

Most new phone models allow storing between 5 and 10 eSIMs depending on the device. However, you should note that only one or two eSIMs can be activated simultaneously. Storing multiple eSIMs does not mean using all of them at the same time.

Number of eSIMs on iOS and Android phones

 

1. How many eSIMs does an iPhone support?

iPhone 12, XR, XS: Supports 1 physical SIM and 1 eSIM operating simultaneously. Depending on the iPhone model, storage capacity can be up to 5 eSIMs.

iPhone 13 and later: Supports storing up to 8 eSIMs and activating 2 eSIMs simultaneously

This feature is extremely convenient for users who need to separate personal and work numbers, or activate a travel eSIM when going abroad without removing their primary SIM.

2. How many eSIMs does Android support?

Google Pixel 3 and later: Supports 1 eSIM and 1 physical SIM

Samsung Galaxy S20, S21, S22, Z Fold, Z Flip: Depending on the model, can store 5–7 eSIMs

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

In general, most Android phones can only activate 1 eSIM at a time, even if they can store multiple eSIMs.

How to manage and switch between eSIMs

Source: Canva

1. How to manage eSIMs

Since phones can store multiple eSIMs, it's essential to manage them effectively. To help you avoid confusion and use the correct eSIM when needed, here are some tips for you:

• Name each eSIM: When installing, you should assign clear names such as "Work," "Study Abroad," "Japan Travel," "My SIM Singapore," etc., to easily identify them when switching or activating.

• Use for specific purposes: Prioritize each eSIM for a specific role. For example: eSIM 1 for calls and SMS (work), eSIM 2 for mobile data (Internet), eSIM 3 specifically for travel.

• Turn off unused eSIMs: Disabling unnecessary eSIMs helps save battery and reduces confusion. You can reactivate them at any time in just a few seconds.

• Choose the right eSIM when traveling: Instead of using international roaming, you should activate a travel eSIM from a local carrier (like an eSIM from My SIM). However, make sure your device supports Dual eSIM if you want to use international and domestic eSIMs simultaneously.

2. Conditions for using 2 eSIMs simultaneously

From iPhone 13 onwards, Apple has supported the feature of using 2 eSIMs simultaneously without needing a physical SIM. To do this, you need to meet the following conditions:

• Your iPhone must be iPhone 13 or later

• The device must be unlocked to use eSIMs from different carriers

• The iOS software should be updated to the latest version to ensure compatibility

3. How to set up and use 2 eSIMs simultaneously

Source: Canva

Step 1: Install the first eSIM

• Go to Settings > Cellular

• Select Add Cellular Plan

• Scan the QR code or enter the eSIM information provided by My SIM

• After installation, name the eSIM (e.g., "Work," "Travel") for easy management

Step 2: Install the second eSIM

• Repeat the steps above to add the second eSIM

• Give this eSIM a separate name (e.g., "Personal," "My SIM Singapore")

Step 3: Activate and manage two eSIMs

• Go to Settings > Cellular

• Make sure both eSIMs are turned on

• Select the default eSIM for:

• Calls and messages: Choose the primary eSIM to make and receive calls and messages

• Mobile data: Choose the eSIM to use for mobile data. You can also enable Allow Cellular Data Switching to let the iPhone automatically switch between the two eSIMs based on coverage and availability.

Step 4: Manage calls and messages between two eSIMs

In the Phone app, the carrier's name will be displayed, helping you know which eSIM is being used. When making a call, you can choose which eSIM will be used for that call.

Pros and cons of using multiple eSIMs

Using multiple eSIMs on a phone offers clear benefits such as:

• Flexibility when traveling: Easily switch between international and domestic eSIMs

• Separate work & personal: Use one eSIM for work, one for personal communication without needing two phones

• Quick plan switching: Just a few taps to switch to another carrier or data plan without removing the SIM

• Reduced risk: No worries about losing a physical SIM, no need to frequently open the SIM tray

• Store eSIMs for multiple destinations: Very useful if you frequently visit fixed countries (e.g., Singapore, Korea, Japan...)

However, it also has its downsides:

• Limited simultaneous activation: Although you can store many eSIMs, you can only use one or two at a time

• Difficult to transfer between devices: Some carriers limit transferring eSIMs from one device to another

• Requires initial internet connection for setup: eSIMs require an internet connection (Wi-Fi or data) to scan the code and activate

Using multiple eSIMs on a phone is becoming increasingly common and convenient, especially for those who travel frequently or need to use multiple phone numbers. What are you waiting for? Take advantage of this smart eSIM storage feature to always stay connected, whether domestically or internationally, with My SIM's travel eSIM!

 

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