FAQ
In our FAQ, you’ll find everything you need to know about Travel eSIMs — including installation, activation, compatibility, and usage on iPhone, iPad, and Android devices worldwide. Get quick, clear answers to the most common questions before and during your trip.
An eSIM (embedded SIM) is a digital SIM card that allows you to activate a mobile plan without using a physical SIM card. After purchasing a data plan from us (HORISIM), you will receive a QR code or activation link that you can scan with your smartphone to connect instantly – no shipping, no waiting.
Benefit from flexible, cost-effective and convenient mobile network coverage.
You can buy and install an eSIM in just a few minutes, all you need is an internet connection. You get instant network coverage exactly where you need it, without any waiting. Plus, you can top-up your data at any time, stay online, and avoid high roaming charges.
Yes! Most smartphones support dual SIM functionality. You can continue to use your physical SIM card for calls and texts and use the eSIM for mobile data. This is ideal for travel, as you keep your home phone number.
You need an eSIM-enabled and unlocked device. Many smartphones and tablets support eSIMs, as do some laptops and smartwatches. Also, make sure your device is not carrier-locked by the network operator.
In short, no. To use an eSIM, you simply need to install it. With most eSIM providers, you can purchase an eSIM through an online store.
When you purchase a HORISIM eSIM, you can acquire the eSIM without downloading a mobile app.
It is recommended that you purchase your eSIM while you are still at home and have access to a stable internet connection.
You can install the eSIM whenever you want. Important: Make sure you have a stable internet connection. You can install it at home before you leave. When you arrive at your destination, you can connect to use your data plan.
That depends on the data plan offered. Most travel eSIM providers offer data-only eSIMs, which do not allow you to make calls over the mobile network.
However, you can also make calls using a data-only eSIM via your messaging apps or social media.
Yes, that's possible! With the right settings, the travel eSIM only serves as a source for mobile data and doesn't change the phone number you use for your messaging apps!
If you are within the eSIM coverage area (your destination), you can connect to the mobile network to use your eSIM. To do this, you must ensure that the eSIM is switched on and selected for data.
Most modern smartphones support eSIM. You can check if this feature is available in your smartphone's settings under Mobile Network or Mobile Data → Add eSIM. Alternatively, you can view our compatibility list here.
After your purchase, you will receive an email with installation instructions and a QR code. Simply go to your smartphone's settings → Mobile network → Add eSIM → Scan the QR code. The process takes only a few minutes. No technical knowledge is required.
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The validity period of your eSIM data package depends on the validity period or the data volume used, whichever comes first. The data package is valid for the specified period, provided the data is not used up beforehand.
Validity begins upon activation of the eSIM. In most cases, activation occurs automatically as soon as the installed eSIM connects to a supported network at the destination. For some eSIMs, activation starts during installation, regardless of location.
You will be notified before your data plan is used up or your plan expires. You can easily top up or purchase a new plan via our website or app, no reinstallation or QR code is required if you are using the same eSIM profile.
You can view your current data usage at any time in your account under “Active eSIMs” .
The validity period of your eSIM is also displayed in your account under "Active eSIMs" .