How to Set Up an eSIM on iPhone & Android (Step-by-Step Guide for 2026)
Michael Harbour
March 31, 2026 23:31
What is eSIM?
#esim-setup-guide-iphone-android-2026
Remember landing in a new country only to watch your phone bill explode with roaming charges? Those surprise fees can wreck a vacation budget fast. eSIMs have completely eliminated this problem.
An eSIM (embedded SIM) is a digital SIM card built into your phone. No hunting for local SIM cards or fumbling with tiny plastic chips. Buy a data plan online, scan a code, and you're connected instantly.
Setting up an eSIM is simpler than it sounds — easier than ordering your morning coffee. Here's exactly how to do it on iPhone and Android devices.
Before You Start: Check Your Device Compatibility #
First, make sure your phone actually supports eSIMs.
iPhone Requirements:
- iPhone XS, XS Max, XR, or newer (2018 onwards)
- iOS 12.1 or later
- Unlocked device (not tied to a specific carrier)
Android Requirements:
- Google Pixel 3 or newer
- Samsung Galaxy S20 or newer
- Other Android phones with built-in eSIM support
- Android 9.0 or later
- Unlocked device
You'll need Wi-Fi during setup. Mobile data isn't necessary — Wi-Fi handles everything.
Not sure if your phone is unlocked? Contact your current carrier. Phones bought directly from manufacturers typically come unlocked.
How to Set Up an eSIM on iPhone #
iPhones handle eSIM setup smoothly. You can use a QR code (easiest option) or enter details manually.
Method 1: QR Code Setup (Recommended) #
- Open Settings and tap "Cellular" or "Mobile Data"
- Tap "Add Cellular Plan" at the bottom
- Point your camera at the QR code from your eSIM provider
- Follow the prompts to confirm plan details
- Label your plan (like "Travel Data" or "Europe Trip") to distinguish it from your main line
- Choose which line handles calls, texts, and data in settings
Method 2: Manual Entry #
No QR code or camera issues? Try this:
- Go to Settings > Cellular > Add Cellular Plan
- Tap "Enter Details Manually" at the bottom
- Enter the activation details from your eSIM provider (usually an activation code)
- Complete setup following the same steps above
Your iPhone now shows two lines in cellular settings — your original SIM and the new eSIM. Switch between them or use both at once.
Need an affordable travel eSIM? Roamify offers data plans for over 200 countries starting at $2. Check out options at getroamify.com.
How to Set Up an eSIM on Android #
Android setup varies between manufacturers, but the process stays similar. Here's how it works on popular Android phones.
Samsung Galaxy Devices #
Using QR Code:
- Open Settings > Connections > SIM card manager
- Tap "Add mobile plan" or "Add eSIM"
- Select "Scan QR code" and point your camera at it
- Follow prompts to confirm and activate
- Name your plan for easy identification
Manual Setup:
- Go to Settings > Connections > SIM card manager
- Tap "Add mobile plan" then "Enter activation code"
- Type the activation details from your eSIM provider
- Complete setup and naming
Google Pixel Devices #
QR Code Method:
- Open Settings > Network & internet > Mobile network
- Tap the "+" symbol to add a network
- Choose "Download a SIM instead?"
- Select "Scan QR code" and capture it
- Confirm plan details and activate
Manual Entry:
- Navigate to Settings > Network & internet > Mobile network
- Tap "+" then "Download a SIM instead?"
- Choose "Need help?" then "Enter it manually"
- Input your activation code and server details
- Complete activation
After setup, manage both your physical SIM and eSIM from mobile network settings. Switch between them or use dual SIM functionality as needed.
How to Activate Your eSIM When You Land #
Here's what many travelers miss: your eSIM won't automatically connect at your destination. You need to activate it manually.
Before takeoff:
- Keep your home SIM active for last-minute calls or messages
- Download offline maps and translation apps on Wi-Fi
- Screenshot your eSIM activation confirmation
After landing:
- Connect to airport Wi-Fi if needed
- Go to your phone's cellular/mobile settings
- Switch data connection to the travel eSIM
- Turn off data roaming for your home SIM to avoid charges
- Test by opening a web page or app
Your eSIM should connect within minutes. If not, restart your phone or toggle airplane mode on and off.
Common Troubleshooting Tips #
Sometimes things don't work perfectly. Here are the most common issues and quick fixes:
eSIM won't activate:
- Confirm Wi-Fi connection during setup
- Verify your device is unlocked and eSIM-compatible
- Check you haven't already used the activation code
- Restart your phone and retry
No data connection after activation:
- Confirm you've selected the eSIM for mobile data in settings
- Toggle airplane mode on for 30 seconds, then off
- Check data roaming is enabled for the eSIM line
- Connect to Wi-Fi first, then switch to mobile data
Can't scan QR code:
- Clean camera lens and ensure good lighting
- Hold phone steady about 6 inches from the code
- Try manual entry if camera keeps failing
- Request a new QR code if current one appears damaged
eSIM disappeared from settings:
- Check if you accidentally deleted it during setup
- Look under "Other Plans" or "Inactive Plans"
- Contact your eSIM provider for replacement if it's gone
Slow data speeds:
- Check your plan's speed limits and data allowance
- Move to better network coverage area
- Restart phone to refresh connection
- Verify you're on the right network
Most issues resolve with a restart or settings tweak. If problems continue, eSIM provider support teams usually help within minutes.
Ready to Ditch Roaming Charges for Good? #
Setting up an eSIM is easier than expected. Once you've done it once, future trips become effortless — buy a plan, scan a code, connect.
The best part? Research plans, read reviews, and purchase everything before leaving home. No scrambling for local SIM card shops or deciphering foreign carrier websites.
Roamify makes international connectivity simple and affordable, with data plans for over 200 countries starting at $2. Whether planning a weekend city break or month-long adventure, stay connected without roaming bill shock.
Ready to travel smarter? Browse eSIM plans for your next destination at getroamify.com and never worry about roaming charges again.
Related eSIM destination plans
Frequently asked questions
- What will I learn in How to Set Up an eSIM on iPhone & Android (Step-by-Step Guide for 2026)?
- You will learn how eSIM activation works, how to compare data plans, and which setup steps matter most before and during your trip.
- How do I choose the right eSIM plan for Japan?
- Match your plan to trip length, expected daily data use, hotspot needs, and network quality in your destination. Short stays usually need less data, while remote work and video calls need more.
- Where can I buy travel eSIM plans for Japan and Thailand?
- Use the destination links in this guide to go directly to Roamify country pages, compare plan options, and complete checkout before departure.