How to Use an eSIM on iPhone & Android, Step-by-Step Guide 2026

How to Use an eSIM on iPhone & Android, Step-by-Step Guide

An eSIM allows you to stay connected worldwide without swapping physical SIM cards. This step-by-step guide explains how to install and activate an eSIM on both iPhone and Android devices, so you can avoid roaming charges and stay online from the moment you land.

If you’re still deciding whether an eSIM is right for you, see eSIM vs Physical SIM for a full comparison.

What is an eSIM?

An eSIM is a digital SIM embedded in your device that can store multiple mobile plans at the same time. It’s ideal for travelers who want flexibility, instant activation, and full cost control.

Travelers use eSIMs to:

Avoid expensive roaming fees
Switch plans instantly
Keep their main phone number active

To understand how eSIMs help eliminate roaming costs, read how to avoid roaming charges when traveling abroad.

Devices Compatible with eSIM (2026)

Most modern smartphones support eSIM technology.

iPhone

XS, XR, 11, 12, 13, 14, 15 series

Android

Google Pixel 3 or newer
Samsung Galaxy S20, S21, S22, S23
Other eSIM-enabled Android models

Before buying, always confirm compatibility by checking eSIM compatible devices.

How to Set Up an eSIM on iPhone

Go to Settings → Cellular → Add Cellular Plan
Scan the QR code provided by your eSIM provider
Label your eSIM (for example: “Travel” or “Data”)
Set it as your default line for mobile data
Label your eSIM (for example: “Travel” or “Data”)

If you’re traveling to specific destinations, follow our dedicated setup guides for Best eSIM for Thailand, Best eSIM for Japan, Best eSIM for USA, or Best eSIM for Europe.

How to Set Up an eSIM on Android

Open Settings → Connections → SIM card manager → Add mobile plan.
Scan your eSIM QR code.
Assign a name to your plan for easy identification.
Set the plan for data, calls, or messages as needed.
Enable roaming if traveling internationally.

For destination-specific tips, see eSIM Thailand and eSIM Japan guides.

Benefits of Using an eSIM

No need for physical SIM cards
Switch between carriers and countries easily
Save on roaming fees while traveling
Supports multiple plans on one device

If you’re traveling across borders, check which eSIM works in multiple countries to choose the best plan.

Frequently Asked Questions (FAQ)

Most modern phones are compatible, but always double-check before purchasing.

Some eSIM plans cover multiple countries. Explore our Asia eSIM plans, Europe eSIM plans, and North America eSIM plans.

Scan the QR code provided by your provider or follow their activation instructions.

Restart your phone, check network settings, or follow our eSIM troubleshooting guide for common fixes.

Get Your eSIM Today

Choose a travel plan based on your destination:

Stay connected anywhere without swapping SIM cards or worrying about surprise bills.

How to Use an eSIM on iPhone and Android (Step-by-Step Guide) 2026