HeySIM FAQ – Installation, Pricing, Coverage Worldwide
Frequently Asked Questions about eSIM
Quick answers about international eSIMs, installation, compatibility, pricing, and staying connected worldwide.
Regions
Yes. Oceania plans typically cover Australia and New Zealand with strong performance in major areas.
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Coverage is improving. eSIM works well in major cities; performance can vary in remote regions.
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Yes. North America plans often include both countries with strong coverage in major cities.
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Yes. Asia regional plans can cover multiple countries—check the included list before you buy.
Yes. Regional Europe plans often cover multiple countries and are ideal for multi-stop trips.
Cities
Yes. London offers excellent coverage and fast data speeds for travelers.
Yes. Ideal for navigation, translation, and transit planning in Tokyo.
Yes. NYC has strong mobile coverage—perfect for ride-hailing, maps, and staying connected.
Yes, networks are fast. Note: some VoIP apps may be restricted depending on local regulations.
Yes. Paris has strong 4G/5G coverage—great for maps, tickets, and messaging.
Pricing
Disable roaming on your main SIM and set mobile data to your eSIM line before departure or on arrival.
Local covers one country, regional covers multiple nearby countries, and global covers many countries worldwide.
Light use: 1–3GB. Frequent social/video calls: 5–10GB+. Heavy use: 10GB+ (or unlimited with fair-use rules).
Most travel eSIMs are prepaid, so you know the total cost upfront.
In many cases, yes. Travel eSIM plans are often priced lower than carrier roaming packages.
Usage
Download offline maps, limit background refresh, and use Wi-Fi for large downloads when possible.
Many plans support 5G where available. Speed depends on local networks and your device.
Usually yes. Hotspot availability can depend on the plan and device settings.
Yes. Navigation apps work well with mobile data for real-time routes and transit info.
Yes. WhatsApp works normally as long as you have internet through your eSIM data plan.
Install
Ensure the eSIM line is enabled, mobile data is set to the eSIM, roaming is enabled if required, and APN is correct.
Most travel eSIMs are single-install. Avoid deleting unless support confirms re-installation is possible.
Many travel eSIMs require data roaming enabled on the eSIM line. Follow the plan instructions.
Yes—recommended. Install before departure so you can connect quickly when you arrive.
Yes. Your phone must be carrier-unlocked to use most travel eSIMs.
Many recent Samsung Galaxy and Google Pixel models support eSIM, plus other premium Android devices.
Most iPhones from iPhone XS/XR and newer support eSIM (model and region can vary).
Usually by scanning a QR code in your phone settings, then confirming the new cellular plan.
General
An eSIM is a digital SIM embedded in your device that lets you activate a mobile plan without a physical SIM card.
Yes. eSIM technology is widely used and secure when installed from a trusted provider.
Often yes: faster setup, no store visit, and easier switching between plans—especially for short trips.
Yes. International eSIMs provide mobile data in many countries and regions, depending on the plan.
Yes. You typically need Wi-Fi (or another connection) to download and install the eSIM profile.
No. Most travel eSIMs are data-only, so your main number stays on your primary SIM/eSIM.
Many travel eSIMs are data-only. You can still call via WhatsApp, FaceTime, Zoom, etc. using data.
Yes. On dual-SIM devices, you can keep your main SIM for calls/SMS and use the eSIM for mobile data.
Many phones can store multiple eSIM profiles, but only one or two can be active at the same time (device-dependent).
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