এই নিবন্ধটি অনুবাদ করা হয়নি

5 Common eSIM Mistakes & How to Avoid Them | Yoho Mobile

Luis Rafael
Oct 24, 2025

A happy traveler using their phone with an eSIM, contrasted with a frustrated traveler facing connectivity issues.

You’ve booked your flights, packed your bags, and you’re ready for an adventure. You’ve even decided to try an eSIM for the first time to stay connected. That’s a smart move! eSIMs offer incredible convenience and can save you from hefty roaming charges. However, a few simple slip-ups can turn that convenience into a connectivity crisis.

Based on countless forum posts and social media threads, first-time eSIM users often make the same avoidable mistakes. But don’t worry—we’re here to guide you. By understanding these common pitfalls, you can ensure a smooth, stress-free experience from the moment you land. Ready to become an eSIM pro before your first trip? Let’s dive in.

Mistake 1: Activating Your eSIM at the Wrong Time

One of the most frequent eSIM mistakes is activating the plan too early. Many travel eSIMs have a validity period that begins upon activation, not upon arrival at your destination. If you activate your 7-day plan for Japan three days before your flight, you’ll only have four days of service left when you land in Tokyo.

On the flip side, waiting too long can also be a problem. If you plan to activate your eSIM upon arrival, remember that you will need a stable Wi-Fi connection to complete the installation process. Relying on spotty airport Wi-Fi can be risky and leave you disconnected when you need it most.

How to Avoid It:

  • Read the Activation Policy: Always check your eSIM provider’s policy. Some plans activate on installation, while others activate when they first connect to a network in the destination country.
  • Best Practice: The safest approach is to install your eSIM just before you depart, but keep it turned off until you arrive. For iOS users, Yoho Mobile makes this even easier—after purchase, simply tap the “Install” button to add the eSIM to your phone in under a minute, no QR code scanning required. You can then switch it on when you land.

Mistake 2: Not Checking Device Compatibility and Lock Status

Nothing is more frustrating than buying an eSIM only to find out your phone can’t use it. This is a classic “why my eSIM is not working” scenario. There are two key requirements: your phone must be eSIM-compatible and carrier-unlocked.

  • eSIM-compatible: Most modern smartphones support eSIM technology, but older models may not.
  • Carrier-unlocked: If your phone is locked to a specific carrier (e.g., AT&T, Vodafone), it will not accept an eSIM from another provider. You must contact your home carrier to unlock it before traveling.

How to Avoid It:

  • Check Compatibility First: Before you buy, confirm your phone is on the approved list. Yoho Mobile has a comprehensive eSIM-compatible device list you can check in seconds.
  • Verify Unlock Status: On an iPhone, go to Settings > General > About. If you don’t see “No SIM restrictions” next to Carrier Lock, your phone is likely locked.
  • Test it Risk-Free: Still unsure? Yoho Mobile offers a way to test the waters with zero risk. Get a free trial eSIM to confirm everything works perfectly before you commit to a paid plan.

Mistake 3: Deleting Your eSIM Profile Prematurely

Think of your eSIM profile as a digital SIM card. If you delete it from your phone, it’s gone for good. Unlike a physical SIM, you can’t just re-insert it. Many travelers delete the profile after a short trip or when troubleshooting, not realizing they are permanently removing their access to the plan. Some eSIM plans, especially from Yoho Mobile, are top-up capable, meaning you can add more data if you extend your stay. Deleting the profile removes this option.

How to Avoid It:

  • Don’t Delete, Disable: If you need to switch back to your primary SIM, simply turn off the eSIM line in your phone’s cellular settings. Do not delete it.
  • Keep Until the End: Only delete the eSIM profile from your device once your trip is completely over and you are certain you will not be returning to that destination or needing to top up the plan.
  • Need more data? If you’re running low, check if your plan can be topped up instead of buying a new one. With Yoho Mobile, you can manually add more data to eligible plans, ensuring you stay connected. And with Yoho Care, you have a safety net to keep you online even if you run out of data unexpectedly.

Mistake 4: Forgetting to Enable Data Roaming

This is perhaps the most common reason for the dreaded “eSIM connected but no internet” issue. Your travel eSIM works by connecting—or “roaming”—on local partner networks at your destination. For this to happen, the Data Roaming setting for your eSIM must be turned on.

Many travelers are conditioned to keep data roaming off to avoid outrageous charges from their home carrier. However, with a travel eSIM, this setting is essential for it to function correctly. Don’t worry, you won’t be charged extra; it’s how the eSIM is designed to work.

How to Avoid It:

  • Enable Roaming: As soon as you land, go to your phone’s cellular settings, select your travel eSIM, and ensure the “Data Roaming” toggle is switched ON.
  • Double Check: If you have a signal but no internet, this should be the first setting you check.

A step-by-step visual guide on how to enable Data Roaming for a travel eSIM in a smartphone's settings.

Mistake 5: Choosing the Wrong Plan for Your Trip

Are you visiting multiple countries in Europe? Or just spending a week in Thailand? Buying the wrong type of plan can be costly and inconvenient. A common error is purchasing a single-country eSIM for a multi-country itinerary, forcing you to buy new plans in each location.

Another frequent issue is underestimating data needs. While 1GB might be fine for a weekend of maps and messaging, it won’t last long if you plan on streaming videos or making frequent video calls back home.

How to Avoid It:

  • Assess Your Itinerary: For trips covering multiple countries, a regional plan is far more efficient. Yoho Mobile offers flexible regional plans for Europe, Asia, and more, so you can cross borders without losing connectivity.
  • Estimate Your Data Usage: Be realistic about your needs. If you’re a heavy user, opt for a larger data package. It’s often cheaper than topping up multiple times.
  • Choose Flexibility: With Yoho Mobile, you can build your own plan by combining countries, data amounts, and days. This ensures you only pay for what you truly need, making it one of the most cost-effective international roaming alternatives.

A traveler successfully using a Yoho Mobile regional eSIM plan for a multi-country trip across Europe.

Frequently Asked Questions (FAQ)

Q1: What happens if I activate my travel eSIM too early?

A: If the eSIM’s validity period starts on activation, you will lose some days of service. For example, activating a 10-day plan two days before you leave means it will only be valid for the first eight days of your trip. Always check the activation policy and install it just before departure for best results.

Q2: How do I know if my phone is unlocked and ready for a travel eSIM?

A: The easiest way is to check your phone’s settings. For iPhones, go to Settings > General > About and look for “No SIM restrictions” under Carrier Lock. For Android, this can vary, but it’s often in the Network or SIM status settings. When in doubt, contact the carrier you bought the phone from or insert a SIM from a different carrier to test it.

Q3: My eSIM is connected but I have no internet. What should I do?

A: The most common cause for this is that Data Roaming is turned off for your eSIM. Go to your phone’s cellular settings, select your eSIM, and make sure the Data Roaming switch is enabled. You should also check that the APN settings are correct as per the provider’s instructions, though this is often automatic.

Q4: Can I reuse my eSIM for another trip?

A: It depends on the provider and the specific plan. Many travel eSIMs are one-time use and cannot be reloaded. However, Yoho Mobile offers many plans that can be topped up with more data or extended, making them reusable for longer trips or return visits. Always remember not to delete the eSIM profile if you plan to top it up.

Conclusion

Embracing eSIM technology can revolutionize the way you stay connected while traveling. It’s simpler, cheaper, and more flexible than traditional options. By steering clear of these five common mistakes—activating at the wrong time, ignoring compatibility, deleting the profile, forgetting data roaming, and picking the wrong plan—you can unlock its full potential.

Travel should be about making memories, not troubleshooting your mobile data. With a little preparation and a reliable provider like Yoho Mobile, you can land at your destination, switch on your phone, and be online instantly.

Ready to travel with confidence? Explore Yoho Mobile’s affordable eSIM plans for your next adventure today!