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An eSIM is a digital SIM card built into your phone. Instead of inserting a plastic card, you install your mobile data plan digitally — via a QR code, automatic link or manual entry. It's faster, more convenient and perfect for travel.

Go to your phone's mobile network settings and look for an 'Add eSIM' option. On iPhone: Settings → Mobile Service → Add eSIM. On Android: Settings → Network & Internet → SIM Manager. If the option is there, your phone supports eSIM. You can also check Settings → General → About → look for an EID number.

Yes — and we strongly recommend it. Install your eSIM at home over Wi-Fi before you leave. You can then activate mobile data when you arrive at your destination. This means you're online the moment you land.

It depends on your specific plan. Some plans start as soon as the eSIM is installed. Others only begin when the eSIM connects to a network at your destination. Check your plan details in your MondoMate dashboard for the exact start trigger.

Yes. On most modern phones (dual-SIM), you can keep your regular SIM active for calls and SMS while using your MondoMate eSIM for mobile data. The two operate simultaneously.

MondoMate eSIM plans are data-only — they don't include a phone number for calls or SMS. For calls, use your regular SIM or internet-based services like WhatsApp, FaceTime, Skype or Zoom over your MondoMate data connection.

No. MondoMate eSIM plans are data-only and don't come with a phone number. You cannot send or receive traditional SMS on the eSIM. Your regular SIM still handles SMS, and messaging apps like WhatsApp work over your data connection.

Yes, MondoMate supports hotspot and tethering. You can share your mobile data with a laptop, tablet or another phone. Shared data is deducted from your package.

Install before you travel — at home on a stable Wi-Fi connection. You can then activate mobile data separately when you arrive at your destination. This way you're connected immediately after landing.

In many cases yes — you can purchase additional data if you run out during your trip. Check the MondoMate website or contact support to see the top-up options available for your destination.

When your data runs out, mobile internet through your MondoMate eSIM will stop. You can either purchase a top-up or a new plan. Contact support or visit MondoMate to see your options.

In most cases, no. eSIM profiles can only be installed once. If you delete your eSIM, it usually cannot be reinstalled. Contact support before deleting if you're having issues — never delete first.