With this update, you can now check which local carrier network an eSIM connects to before you buy it. This change responds to a common worry — “Will I actually get a signal once I land?” Now you can choose based not only on data and price, but also on the network you’ll be connecting to. (As of June 2026)
What’s new in this update
On the plan cards on our comparison page, and on the plan confirmation screen before checkout, we now show the local carrier network (the supported network) each plan actually connects to at your destination. For example, in Japan you’ll see networks like NTT Docomo or au, and you’ll see the relevant local carriers for each destination. We also reviewed multi-country plans, where some of the included local networks weren’t being shown, so the display now reflects what each plan really offers.
The network names shown are based on the actual plan information provided by the connectivity providers we work with — not theoretical figures on paper. Keep in mind that supported networks may be adjusted to match conditions in each country, so it’s a good idea to check the current details on the comparison page before purchasing.
What “supported network (connecting carrier)” actually means
An eSIM doesn’t transmit a signal on its own — it connects by using the network of a local mobile carrier. The “supported network” is simply which carrier’s signal your eSIM connects to. Even within the same country, signal strength and how easily a network gets congested can vary depending on which carrier you’re on. Differences between carriers tend to show up most in rural areas, mountainous regions, and indoors.
Until now, you could see data, duration, and price, but “which network will I connect to?” was often hard to tell. With this display, it’s easier to confirm before you buy whether a plan connects to the main carriers at your destination.
Why we made this change
With travel eSIMs, it can be hard to tell which network you’ll connect to before purchasing. How well and how reliably a connection works abroad depends a lot on which carrier you end up on, so when that’s hidden, it’s natural to wonder, “Will this really work for me?” At Bloomy, we care about helping you prepare with confidence — even on a first trip abroad — so we wanted to show the supported network, a genuinely useful detail, before you buy whenever we can. It’s part of our approach of removing the small unknowns one at a time.
How this helps you
Once you choose your destination, you can check which local carriers the plan connects to before buying. This helps in situations like these:
- You can confirm, before signing up, whether a plan connects to the main local carriers.
- With plans that support multiple networks, the device may connect to whichever network is working better, depending on signal conditions. On some devices you can also select a network manually (the network you connect to can vary by area and device).
- Instead of buying without knowing which network you’ll get, you can choose after seeing the network you’ll connect to — easing some of those small on-the-ground worries.
Note that Bloomy plans are generally data-only. There is no phone number, SMS, or voice calling, so if you need those, please look into a separate option as well. App-based calls through services like WhatsApp may work wherever you have a working data connection. Also, even when you know the supported network, real-world speeds vary with the local area, time of day, congestion, and your device. We want to be upfront that speeds won’t necessarily be fast in the same way everywhere.
What else to check along with the supported network
The supported network is an important factor, but rather than choosing on that alone, you’ll make fewer mistakes by considering it together with the points below.
- Your destination country/region: The same plan may cover different countries. First, make sure your destination is included.
- Data amount and duration: Choose based on how long you’re staying and how you’ll use it (mostly maps and social apps, or video too). If you’re unsure whether it’s enough, it helps to check whether you can top up later.
- Whether your device supports eSIM: Checking your eSIM-compatible device first helps you avoid trouble after purchase.
After comparing these, using the supported network as the final deciding factor makes it easier to choose with confidence.
The Bloomy touch in how we built this
To avoid cluttering the screen with too much information, we kept the supported network display understated, and added the note about “choosing the network that connects more easily” only on plans that support multiple networks. To avoid giving the impression that you can “choose” on a single-network plan, the display matches what each plan actually offers. We aimed for an honest presentation that reflects the real details, without exaggeration.
What’s planned next
We’ll keep gradually refining how readable the supported network display is and how it connects with our destination guides. As we watch how it feels to use in practice, we’ll keep making it clearer.
Related pages
We explain how supported networks work and how to choose in more detail in our eSIM Guide. You can check plans and supported networks for your destination on the comparison page. Before using an eSIM, it’s reassuring to confirm your device works by checking the eSIM-compatible devices page. You can also find our past improvements in the changelog.
