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Receive Bank & 2FA SMS Abroad with an eSIM | Yoho Mobile

Robin
Aug 26, 2025

You’re all set for your trip to Japan. You’ve packed your bags, booked your hotels, and smartly installed a Yoho Mobile data-only eSIM to avoid outrageous roaming fees. But as you try to log into your bank account from a café in Tokyo, a dreaded message appears: “Enter the verification code sent to your mobile number.” You wait. And wait. Nothing arrives. Panic starts to set in.

This is a common nightmare for modern travelers. While data-only eSIMs are fantastic for affordable internet access, they don’t typically come with a phone number to receive traditional SMS texts. So, how do you get those crucial verification codes from your bank, or 2FA (Two-Factor Authentication) texts from services like Google and Apple, without activating expensive roaming on your primary SIM?

The solution is simpler than you think, and it’s built right into your phone. This guide will walk you through exactly how to set up your device to receive bank SMS abroad, all while enjoying the cost-saving benefits of a Yoho Mobile eSIM. Ready to travel without getting locked out of your accounts? Let’s dive in.

A traveler confidently receiving bank verification SMS abroad using an eSIM and Wi-Fi Calling.

The Challenge: Why Your SMS Doesn’t Arrive

When you travel abroad and use a data-only eSIM, your primary physical SIM card (or home eSIM) is no longer connected to a cellular network for data. You’ve likely turned off data roaming on that line to avoid hefty roaming charges.

Traditional SMS messages rely on a cellular voice and text network (like GSM) to be delivered. If your primary SIM isn’t actively connected to a partner network in your destination country, it simply won’t receive those texts. This leaves you in a bind, unable to access secure accounts that rely on SMS for verification. It’s a critical gap in many travelers’ connectivity plans, but one that can be easily bridged with the right technology.

The Solution: Dual SIM + Wi-Fi Calling

The magic combination for solving this problem is using your phone’s Dual SIM capability alongside a feature called Wi-Fi Calling.

  • Dual SIM: Most modern smartphones are eSIM compatible and support Dual SIM functionality. This means you can have two active lines on one device. For travelers, the perfect setup is using your primary SIM for your home number and a Yoho Mobile eSIM for affordable data.
  • Wi-Fi Calling: This feature allows your phone to make and receive calls and, crucially, send and receive SMS messages over a Wi-Fi network instead of a traditional cellular network. When you’re abroad and connected to Wi-Fi (or using data from your Yoho Mobile eSIM as a hotspot), your primary SIM can use this connection to function as if it were at home.

By combining these two, you create a seamless system: your Yoho Mobile eSIM provides the fast, affordable data connection, and your primary SIM leverages that connection via Wi-Fi Calling to receive all your important SMS verification codes. You get the best of both worlds—no roaming charges and no missed messages.

Diagram explaining how a primary SIM receives SMS via Wi-Fi Calling while a Yoho Mobile eSIM provides data.

Step-by-Step: How to Get Bank OTP Overseas with an eSIM

Setting this up is straightforward. The most important part is to enable Wi-Fi Calling before you leave your home country, as some carriers require you to be on their domestic network to activate it for the first time.

1. Before You Travel: Enable Wi-Fi Calling

This is the most critical step. Locate the Wi-Fi Calling setting on your phone and turn it on. The location varies slightly between devices:

  • On iPhone: Go to Settings > Phone > Wi-Fi Calling and toggle it on.
  • On Android (Samsung, Pixel, etc.): Go to Settings > Network & internet > Calls & SMS (or similar) and enable Wi-Fi Calling.

You may need to enter an emergency address (your home address is fine). Once enabled, you can confirm it’s working by seeing “Wi-Fi” or a Wi-Fi symbol next to your carrier’s name in the status bar when connected to Wi-Fi. For detailed instructions, check out the official support pages from Apple or Google.

A smartphone settings screen showing the Wi-Fi Calling feature enabled for receiving SMS abroad.

2. Purchase and Install Your Yoho Mobile eSIM

Before you depart, or upon arrival, choose the right data plan for your destination. Planning a multi-country trip through Europe? Yoho Mobile’s flexible plans let you customize your data package for your exact needs.

Once purchased, installing your eSIM is easy:

  • iOS users: Forget QR codes! After purchase, simply tap the ‘Install’ button in the Yoho Mobile app or email, and your iPhone will guide you through the 1-minute setup.
  • Android users: You can scan the provided QR code or use manual activation details. Check our guides for iOS and Android for more help.

3. Configure Your Phone Settings Abroad

Once you’ve landed and your Yoho Mobile eSIM is installed, you need to tell your phone how to use each line. This is key for using your primary SIM for SMS and eSIM for data.

  1. Set Data to Yoho Mobile: In your phone’s cellular settings, select your Yoho Mobile eSIM as the line for Cellular Data.
  2. Keep Your Primary Line On: Ensure your primary line is turned on, but make sure Data Roaming is turned OFF for this line to prevent charges.
  3. Check Wi-Fi Calling Status: Connect to your hotel Wi-Fi or use your Yoho Mobile data. Your phone’s status bar should show that your primary line is now using Wi-Fi Calling.

That’s it! Your phone will now automatically route all data usage through your affordable Yoho Mobile eSIM, while your primary number remains active over the internet to receive any 2FA or bank SMS messages.

And with Yoho Care, you have peace of mind knowing that even if you run out of high-speed data, you won’t be completely cut off, ensuring you can always receive those critical messages.

Frequently Asked Questions (FAQ)

Q: Will I be charged by my home carrier for receiving SMS via Wi-Fi Calling abroad?

A: Most major carriers, like AT&T, Verizon, and T-Mobile in the US, do not charge for receiving standard SMS messages over Wi-Fi Calling, even when you’re international. It’s treated as if you were still in your home country. However, we strongly recommend double-checking your specific carrier’s policy on their official website before you travel.

Q: What if my carrier doesn’t support Wi-Fi Calling?

A: While most carriers do, if yours doesn’t, it becomes more difficult. Some banks offer alternative verification methods like email codes or authentication through their dedicated banking app. Contact your bank to see what options are available for international travelers. Using a dual SIM phone where the second SIM supports international SMS is another, though often more expensive, option.

Q: Can I use this method to receive verification codes from apps like WhatsApp or Google?

A: Absolutely. This method works for any service that sends standard SMS verification codes (OTPs) to your primary phone number. This includes banking apps, email providers, and social media platforms, making it a comprehensive solution for digital security while traveling.

Q: Does Wi-Fi Calling work for SMS verification if I don’t have Wi-Fi?

A: Yes, on most modern phones. If you’re not connected to a Wi-Fi network, your phone can use the cellular data from your Yoho Mobile eSIM to enable the Wi-Fi Calling feature on your primary line. In your iPhone’s Cellular settings, this is often an automatic feature, ensuring you’re always connected.

Conclusion: Travel Smart and Stay Secure

Getting locked out of your bank account is one of the fastest ways to ruin an international trip. By leveraging the powerful combination of a data-only eSIM and your phone’s built-in Wi-Fi Calling feature, you can completely avoid this problem. This setup ensures you receive every critical 2FA and bank verification SMS without paying a single cent in roaming fees.

Prepare for your next adventure with confidence. By enabling Wi-Fi Calling before you leave and installing a cost-effective Yoho Mobile eSIM, you guarantee seamless connectivity and total access to your digital life, no matter where you are in the world.

Ready to travel without compromise? Explore Yoho Mobile’s flexible eSIM plans today and stay connected effortlessly.