It’s more important than ever to stay connected when traveling in the current digital era. Enter the eSIM, a revolutionary technology that’s changing the way we access mobile networks abroad. But what exactly is an eSIM, and how does it work? Together, we will examine how embedded SIM technology can transform your travel experience.
What Is an eSIM?
An eSIM, short for embedded SIM, is a digital SIM card that’s built directly into your device. Your smartphone, tablet, or smartwatch is manufactured with a tiny chip called an eSIM. This is different from regular SIM cards that you have to enter and remove. This new technology works exactly the same way a regular SIM card does, but it’s all digital.

The “e” in eSIM stands for “embedded,” highlighting its integrated nature within your device. This small yet powerful chip allows you to:
- Make use of mobile networks without a SIM card
- Keep several mobile plans on one device
- Switch between carriers and plans with ease
- Activate new mobile services instantly
eSIM technology provides a revolutionary way for travelers, such as our digital nomads or business executives, to stay connected across borders without having to deal with the inconvenience of changing conventional SIM cards.
How Does an eSIM Work?
Now that we’ve covered what an eSIM is, let’s explore how this technology functions. At its core, an eSIM works similarly to a traditional SIM card but with added flexibility and convenience.
The eSIM Activation Process
- Download: Purchase an eSIM plan from a provider like Gohub.
- Install: Follow the provider’s instructions to install the eSIM profile on your device.
- Activate: Once installed, activate the eSIM when you’re ready to use it.
- Connect: As soon as you get to your location, your device will connect to the local network.

Unlike physical SIM cards, eSIMs can be reprogrammed remotely. This means you don’t have to directly switch SIM cards when you change your phone plan or carrier. For luxury travelers, this seamless process ensures uninterrupted connectivity without any tech-related hassles.
💡 Want to see how eSIM works in real life? Here’s how to install an eSIM on your iPhone in 2 minutes. No tech headaches—just tap, scan, and connect!
eSIM vs. Physical SIM: What’s the Difference?
To truly understand the advantages of eSIM technology, let’s compare it to traditional physical SIM cards:
Feature | eSIM | Physical SIM |
---|---|---|
Form Factor | Embedded chip | Removable card |
Activation | Digital download | Physical insertion |
Multiple Plans | Can store several | One at a time |
Switching Plans | Instant, remote | Manual swap required |
Device Compatibility | Newer models (2018+) | Most phones |
Loss/Damage Risk | Virtually none | Can be lost or damaged |
eSIM technology is great for people who travel a lot because it lets them store multiple plans and switch between them immediately.
Benefits of Using an eSIM for Travel
Adopting eSIM technology for your travels comes with numerous advantages:
- Instant Connectivity: Activate your plan immediately upon arrival at your destination.
- Flexibility: Store and switch between multiple data plans as needed.
- Cost-Effective: If you use a local internet plan, you can avoid paying high roaming fees.
- Space-Saving: No need to carry and manage multiple physical SIM cards.
- Eco-Friendly: Reduce plastic waste associated with traditional SIM cards.
- Dual SIM Functionality: Use your home number alongside a local data plan.

For digital nomads, these benefits translate to seamless work continuity and the ability to stay connected across multiple countries without interruption.
How to Check if Your Device works with an eSIM
Before you can take advantage of eSIM technology, you’ll need to ensure your device is compatible. Here’s how to check:
For iOS Devices
Generally includes iPhone XS, iPhone XR, and later models. Check in Settings > Cellular (or Mobile Data). If you see an option to “Add Cellular Plan,” your iPhone likely supports eSIM. Note that iPhone models in mainland China typically don’t support eSIM.
For Android Devices
The location of eSIM settings varies by manufacturer and model. Look for options like Network & internet > Internet > SIMs or similar. Many newer Samsung Galaxy, Google Pixel, and Motorola devices support eSIM.
For Wearables
Apple Watch Series 3 and later, and some Samsung Galaxy Watch models offer eSIM support in their cellular versions.

Most flagship smartphones manufactured since 2018 support eSIM technology. However, it’s always best to verify with your device manufacturer or check Gohub‘s list of compatible devices.
How to Install and Activate an eSIM
Ready to use an eSIM for your next adventure? Follow these steps to get started with Gohub:
Are you ready to go on your next trip with an eSIM? To start using Gohub, do these things:
- Make sure your gadget can use an eSIM and is unlocked.
- Visit our website or get the Gohub app.
- Pick an eSIM plan that works for your trip.
- Get the eSIM card and download it.
- Follow the in-app steps to put the eSIM on your device.
- When you get to your location, turn on the eSIM.
For tech-savvy travelers and those new to eSIM technology alike, Gohub offers 24/7 multilingual support to ensure a smooth setup process.
Managing Multiple eSIM Profiles
Once you have multiple eSIM profiles installed:
- You can manage them in your phone’s Cellular/Mobile Data settings
- Label your plans (e.g., “Home,” “Work,” “France”) for easy identification
- Choose a default line for calls and SMS
- Select which plan to use for mobile data
- Switch between active eSIMs by simply tapping on the desired plan
Got an iPhone? Check Apple’s official list of eSIM-compatible devices.
eSIM Use Cases for Different Types of Travelers
eSIM technology caters to a wide range of travel scenarios:
For Digital Nomads
Digital Nomads can seamlessly switch between data plans as they moves from Bali to Bangkok, ensuring consistent connectivity for their UX design work.
For Business Travelers
Business Travelers can maintain their home number for client calls while using a local data plan for high-speed internet during his sales trips across Europe.
For Luxury Leisure Travelers
Luxury Leisure Travelers can effortlessly share their travel experiences on Instagram without worrying about finding a local SIM card vendor at each new destination.
Troubleshooting Common eSIM Issues
Even with its convenience, you might occasionally encounter issues with eSIMs:
Failed Activation
If your eSIM activation fails:
- Check your Wi-Fi connection stability
- Verify you’ve scanned the correct QR code or entered activation details accurately
- Confirm your phone model is supported by the eSIM provider and that your phone is unlocked
- Contact your eSIM provider’s customer support if problems persist
Dual SIM Setup Problems
For dual SIM configuration issues:
- Ensure you’ve correctly assigned preferences for calls, SMS, and data for each SIM
- Be aware of which SIM is set as your primary data connection to avoid unexpected charges
- Address potential app conflicts that might have preferences for which SIM they use
Post-Reset Reactivation
Your eSIM profile might be erased if you reset your phone to original settings. You’ll likely need to reactivate your eSIM and may need to obtain a new QR code from your carrier.
Travel Connectivity Issues
For connectivity problems while traveling:
- Verify your travel eSIM is activated in your destination country
- Check if manual APN configuration is needed
- Ensure there’s cellular network coverage in your current location
Remember, Gohub offers round-the-clock customer support to help you resolve any eSIM-related issues quickly.
Not sure if it’s your Wi-Fi? Use Speedtest to check your internet instantly.
The Future of eSIM Technology
As eSIM technology develops further, we can expect:
- Wider device compatibility
- More flexible data plans
- Enhanced security features
- Integration with IoT devices

Staying ahead of these trends, Gohub is committed to offering cutting-edge eSIM solutions that meet the ever-changing needs of global travelers.
FAQs About eSIM
1. What is an eSIM and how does it work?
An eSIM (embedded SIM) is a digital SIM built into your device. Instead of inserting a physical SIM card, you simply download a mobile plan via QR code or an app. Once activated, it connects you to the carrier’s network just like a traditional SIM.
2. What are the disadvantages of eSIM?
While eSIMs offer convenience, there are a few drawbacks:
- Limited support on older devices.
- Some carriers or countries may not support eSIM.
- Switching phones can require re-downloading the profile.
- Data-only eSIMs don’t usually include a local phone number.
3. Is eSIM better than SIM?
It depends on your needs:
- eSIM is better for flexibility, travel, and multi-profile management.
- Physical SIMs may still be more convenient in countries where eSIM adoption is limited.
For frequent travelers, eSIMs are often the best choice due to instant activation and no need to swap cards.
4. Do eSIMs give you a phone number?
Yes, some eSIM plans include a phone number for calls and SMS. However, many travel eSIMs are data-only. In that case, you can use VoIP apps like WhatsApp, Telegram, or FaceTime to make calls over the internet.
5. How to activate eSIM on iPhone?
- Go to Settings → Mobile Data → Add eSIM.
- Scan the QR code from your carrier or eSIM provider.
- Follow on-screen instructions and restart if required.
- Once activated, your eSIM will appear under “Cellular Plans.”
6. How does eSIM work on Android?
- Open Settings → Network & Internet → Mobile Network.
- Tap Add Carrier and scan the QR code.
- Wait for activation and choose your preferred SIM for data, calls, and SMS.
- Some devices may also allow manual setup via activation codes.
7. How to get an eSIM?
You can get an eSIM by:
- Requesting it directly from your mobile carrier.
- Purchasing a travel eSIM online from providers like Gohub, Airalo, or Nomad.
- Scanning the QR code provided and activating it instantly.
8. eSIM card for international travel
A travel eSIM lets you stay connected abroad without expensive roaming fees. Benefits include:
- Instant activation before departure or upon arrival.
- Affordable data plans in multiple countries.
- No need to search for local SIM shops or swap cards.
Conclusion: Embrace the eSIM Revolution with Gohub
The way we stay connected when traveling is being revolutionized by eSIM technology. By understanding what an eSIM is and how it works, you can take full advantage of this innovative solution for your next adventure. Whether you’re a digital nomad, a business traveler, or a luxury explorer, Gohub’s eSIM offerings provide the flexibility, convenience, and reliability you need to stay connected anywhere in the world.
Ready to experience the future of travel connectivity? Explore Gohub’s eSIM plans today and say goodbye to the hassles of traditional SIM cards!
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