Introduction:
We’ve had a strong response to our recent eSIM series, and several common questions keep coming up. Looking back, we probably should have anticipated some of them earlier. But that’s part of the value of publishing openly and learning from what the community brings to the table.
The questions below are some of the ones we’ve heard most often from people who travel, work in the field, or manage teams that do. They reflect real operational concerns and experiences rather than just technical curiosity.
1. Do eSIMs provide a phone number?
Usually not. Most eSIMs are data-only. This means you use messaging and call apps such as WhatsApp, Signal, or Teams instead of traditional voice or SMS. For those who need a standard number, a local or secondary SIM can stay active at the same time.
2. Can I use an eSIM alongside a local SIM?
Yes. Most modern smartphones support both. This allows you to keep a local SIM active while using the eSIM for data, which is useful if you move across borders or need to switch between providers without changing physical cards.
3. Do eSIMs work everywhere?
Coverage is wide, but not guaranteed. Some regions, especially those with strict controls or limited infrastructure, may have patchy or inconsistent signal. It is always worth testing before deployment, particularly if you work near borders where neighbouring country networks might be stronger.
4. Are eSIMs more secure than traditional SIM cards?
Not on their own. They remove the need for physical handling, which can reduce certain risks, but they don’t encrypt your data. For real protection, use a reputable VPN and keep your devices updated.
5. Do eSIMs work on tablets and other devices?
Yes. Many newer tablets, laptops, and mobile routers now support eSIMs. This can be useful for travellers who prefer to keep phones and work devices separate, or for setting up small field hubs for data access.
6. Can I switch between eSIM plans while travelling?
You can. Many global eSIM providers allow you to buy and activate new data plans remotely. This flexibility is one of their biggest advantages, especially if you travel between regions or encounter weak local coverage.
7. Should I use a VPN with an eSIM?
Yes. eSIMs simplify connection but don’t protect the content of your traffic. Using a VPN adds a layer of privacy and helps secure sensitive communications, whether for personal use or professional work.
8. How do I get started with an eSIM?
Most eSIMs are activated by scanning a QR code or entering a code from the provider. Once downloaded, you select the profile from your device settings and choose which SIM or eSIM to use for data. It usually takes only a few minutes, and you can switch between them without restarting your phone.
We’ll continue testing several eSIM providers to understand how they perform in different regions and operational environments. The findings will be shared soon as part of our WillowFlow Recommends series.
If you have a question we haven’t covered, please send it to insights@willowflow.group.
Want help setting up or boosting eSIM performance? We’ve supported field teams with eSIM configuration, signal boosting, and fallback planning. If you’d like a second pair of eyes on your setup, feel free to get in touch.
