Imagine landing in a new country, switching on your phone, and instantly having mobile data—no SIM card swaps, no long queues at the airport, and definitely no overpriced roaming fees. That’s the magic of an eSIM. But what exactly is an eSIM, and why is it a game-changer for travellers?
An eSIM (embedded SIM) is a digital SIM that lets you activate a mobile network without inserting a physical card into your device. Unlike traditional SIM cards, which require you to fumble around with tiny plastic chips (often at the worst possible moment), an eSIM is built directly into your phone, tablet, or smartwatch.
The real genius? eSIMs can store multiple carrier profiles, meaning you can switch networks with just a few taps in your settings—ideal for international travel.
Benefits of Using an eSIM While Traveling
Why are eSIMs quickly becoming the ultimate travel companion? Let’s break it down:
Instant Connectivity: No need to hunt for a local SIM at the airport. Purchase and activate your eSIM before departure.
No More Roaming Shock: International roaming charges can drain your travel budget faster than a tourist trap restaurant. eSIMs let you connect to local networks at affordable rates.
One Phone, Multiple Numbers: Keep your home SIM active for banking and messaging while using an eSIM for local data.
Seamless Network Switching: Visiting multiple countries? Some eSIMs offer regional or global plans, allowing you to hop borders without changing SIMs.
Eco-Friendly: Say goodbye to plastic SIM cards and unnecessary packaging—because the planet deserves better.
If you’ve ever struggled with swapping SIMs or dealing with a locked phone abroad, an eSIM is the upgrade you didn’t know you needed.
Which Devices Support eSIM?
Before you get too excited, let’s make sure your phone plays nice with eSIMs. While most modern flagships support eSIM technology, some older models still rely on physical SIMs.
Popular eSIM-Compatible Devices:
Apple: iPhone 14, iPhone 13, iPhone 12, iPhone SE (2020 & later)
Samsung: Galaxy S23, S22, S21, Z Fold, Z Flip series
Google: Pixel 7, Pixel 6, Pixel 5, Pixel 4
Other Brands: Huawei P40, Motorola Razr 5G, Microsoft Surface Duo
💡 How to Check if Your Phone Supports eSIM:
- For iPhone: Go to Settings > Mobile Data > Add Mobile Plan.
- For Android: Navigate to Settings > Network & Internet > SIMs.
How to Buy an eSIM Online Before Your Trip
So, you’ve decided to join the eSIM revolution—smart move! Now, the next step is buying an eSIM online before your trip. This ensures you’re connected the moment you land, instead of relying on dodgy airport Wi-Fi or dealing with overpriced tourist SIMs.
But where do you buy one? What should you look for in a plan? And how do you avoid getting stuck with a useless eSIM? Let’s break it down.
Where to Buy an eSIM?
The best place to buy an eSIM is online, preferably before your departure. While some local carriers now sell eSIMs at physical stores, purchasing online is faster, easier, and often cheaper.
Here are the top ways to buy an eSIM online:
From eSIM providers: Dedicated eSIM platforms like Simify, Airalo, Holafly, and Nomad offer region-specific and global eSIM plans tailored for travellers.
From mobile carriers: Some major telecom providers (like AT&T, T-Mobile, and Vodafone) sell prepaid eSIM plans online, though their international plans can be pricey.
Through travel service platforms: Some airlines and travel agencies partner with eSIM providers, allowing you to buy one during your booking process.
Pro Tip: Always buy from a trusted provider with good customer support. A cheap eSIM that stops working mid-trip isn’t a bargain—it’s a nightmare.
Factors to Consider When Buying an eSIM
Not all eSIMs are created equal. Before purchasing, ask yourself:
Does it cover my destination?
Not all eSIMs work in every country. Double-check the coverage map.
How much data do I need?
Planning to just use Google Maps and WhatsApp? A 3GB plan might be enough. Streaming Netflix? You’ll need a lot more.
How long does the plan last?
Some eSIMs are valid for a few days, others for weeks or months. Pick one that matches your trip duration.
Is the price reasonable?
Compare costs across different providers. If a deal seems too good to be true, it probably is.
What network will I be using?
Some eSIMs connect to premium local networks, while others use slower, lower-tier providers. Check reviews!
Exploring Europe soon? A Europe SIM card is a hassle-free way to enjoy reliable data and coverage across the continent, helping you navigate, stream, and stay in touch effortlessly.
Step-by-Step Guide to Buying an eSIM Online
Buying an eSIM is ridiculously easy—just follow these steps:
1. Choose a Provider
Visit a reputable eSIM provider’s website, like Simify, and browse their plans.
2. Select Your Destination and Data Plan
Pick a country-specific, regional, or global plan based on your travel itinerary.
3. Create an Account
Most providers require an email address for purchase and eSIM delivery.
4. Make the Payment
Complete your purchase using a credit card, PayPal, or other accepted payment methods.
5. Receive Your eSIM Details
You’ll get a QR code via email (or through the provider’s app) that you’ll use for activation.
And that’s it! Your eSIM is ready to be set up before your flight, ensuring seamless connectivity the moment you land.
How to Set Up an eSIM Before Traveling
Congratulations! You’ve successfully purchased your eSIM—now, it’s time to activate it before your trip. Setting up an eSIM is ridiculously easy (seriously, it’s easier than ordering coffee in a foreign language).
Follow these steps to ensure you’re fully connected the moment you land. No scrambling for Wi-Fi, no overpriced roaming fees—just seamless, instant data.
Activating an eSIM on Your Smartphone
Most eSIM providers (including Simify) send you an activation email with a QR code after purchase. Here’s how to set it up:
For iPhone Users (iOS 14 & Later)
1️⃣ Open Settings → Mobile Data → Add Mobile Plan.
2️⃣ Scan the QR code you received from your provider.
3️⃣ Follow the on-screen instructions and label the plan (e.g., “Travel eSIM”).
4️⃣ Set Mobile Data to the eSIM when you arrive at your destination.
For Android Users (Samsung, Google Pixel, etc.)
1️⃣ Open Settings → Connections → SIM Manager.
2️⃣ Tap Add eSIM → Scan QR Code.
3️⃣ Follow the prompts to install the eSIM.
4️⃣ Enable the eSIM under Mobile Data settings when you need it.
💡 Pro Tip: You can install the eSIM before your trip and enable it only when you arrive to avoid accidental activation.
How to Scan an eSIM QR Code for Activation
If scanning doesn’t work, try manual activation:
iPhone: Tap “Enter Details Manually” under Add Mobile Plan and input the activation code from your eSIM provider.
Android: Go to Add eSIM > Enter Code Manually, then type in the SM-DP+ address and activation code from your provider.
Still not working? Restart your phone and try again.
How to Switch Between eSIM and Physical SIM
One of the best things about an eSIM? You don’t have to remove your home SIM! You can switch between your eSIM and physical SIM in seconds.
For iPhone:
- Go to Settings > Mobile Data.
- Tap Mobile Data Switching and choose between your home SIM and eSIM.
For Android:
- Open Settings > SIM Manager.
- Select Mobile Data and toggle between your SIM cards.
Example:
Use your eSIM for mobile data while keeping your home SIM active for calls and texts. Perfect for receiving OTPs from your bank while traveling!
Common Issues and Troubleshooting Tips
Let’s be real—technology occasionally has a mind of its own. If you run into issues, here’s how to fix them.
eSIM Not Activating? Try These Fixes:
✅ Check if you have an internet connection while activating. Use Wi-Fi if needed.
✅ Restart your phone and toggle airplane mode on/off.
✅ Ensure the eSIM is enabled in your phone’s settings.
🚨 No Mobile Data on eSIM?
✅ Check if Mobile Data is set to the eSIM.
✅ Update APN settings manually (check your provider’s instructions).
✅ Contact your eSIM provider’s customer support.
🚨 Can’t Switch Back to Your Physical SIM?
✅ Go to SIM settings and re-enable your home SIM.
✅ Reset network settings (but note: this will erase all Wi-Fi and Bluetooth settings).
How to Use an eSIM for Seamless Travel
Now that your eSIM is set up and ready, let’s talk about how to make the most of it while traveling. From managing data usage to switching networks on the go, here’s how to keep your connectivity smooth and stress-free.
Managing Data Usage While Traveling
Let’s be honest—burning through your entire data plan on day one because of an accidental Netflix binge isn’t ideal. Here’s how to stay within your data limits:
✅ Track Your Usage: Most phones let you monitor mobile data in Settings > Mobile Data. Set a daily limit!
Use Wi-Fi Whenever Possible: Airports, hotels, and cafes often have free Wi-Fi. Use it for heavy tasks like updates or streaming.
Turn Off Background Data: Apps love to sneakily use data. Disable background app refresh for non-essentials.
Download Maps & Entertainment Before You Travel: Google Maps, Spotify playlists, and Netflix shows—download them before leaving home to save data abroad.
Can You Use an eSIM for Multiple Countries?
Yes, but it depends on your plan! Some eSIMs cover one country, while others work across multiple destinations.
Single-Country eSIMs: Ideal if you’re staying in one place (e.g., a Japan-specific eSIM).
Regional eSIMs: Work in multiple countries within a region (e.g., a Europe eSIM that covers France, Germany, Spain, etc.).
Global eSIMs: Offer worldwide coverage but may have higher costs per GB.
🔎 How to Check? Review your eSIM provider’s coverage before buying. Simify offers both single-country and regional eSIMs, so pick what suits your trip!
Can You Top Up an eSIM or Extend Its Validity?
This depends on your eSIM provider:
💡 Some eSIMs allow top-ups → Check if your provider lets you add more data without buying a new eSIM.
⏳ Some eSIMs have fixed durations → If your eSIM expires, you may need to purchase a new plan.
🛒 Best solution? If you’re a frequent traveller, opt for an eSIM provider with flexible top-up options (like Simify) to avoid re-purchasing every time.
Planning a trip abroad? An International eSIM lets you stay connected across multiple countries without swapping physical SIM cards, ensuring seamless connectivity wherever you go.
FAQs About Using an eSIM While Traveling
Q1: Will my eSIM stop working if I remove my physical SIM?
No! You can use an eSIM-only setup or keep your physical SIM inside your phone. Your choice.
Q2: Can I receive calls and texts on my home SIM while using an eSIM for data?
Yes! If your phone supports dual SIM, you can use your home SIM for calls/texts and the eSIM for mobile data.
Q3: What happens if my eSIM runs out of data?
If your provider offers top-ups, you can purchase more data through their website or app. If not, you may need to buy a new eSIM plan.
Q4: Can I use an eSIM on my smartwatch or tablet?
Yes! Many smartwatches (Apple Watch, Samsung Galaxy Watch) and tablets (iPads) support eSIMs.
Q5: What’s the best eSIM plan for frequent travellers?
If you travel often, a global eSIM plan or a multi-country regional eSIM is best. Check Simify’s travel eSIMs for options.
Conclusion
With an eSIM in your phone, you can travel the world without worrying about mobile connectivity. No more airport SIM hunts, no more sky-high roaming fees—just instant, reliable data wherever you go.
Final Travel Tip: Buy and set up your eSIM before you fly, and you’ll land 100% connected and ready to explore.
Ready for stress-free travel? Check out Simify’s eSIM plans and stay connected wherever you go!
