The Travoyer Journal

Staying Connected in Japan: Everything You Need to Know Before You Land

Japan is one of the most connected countries on earth. 5G in Tokyo is faster than your home Wi-Fi. The trains run to the second. Convenience stores are open at 3am selling hot meals. But your phone? Without a plan, it's basically a very expensive camera.

Here's the thing nobody tells you before your first trip to Japan: international roaming with a North American carrier is eye-wateringly expensive. We're talking $10–$15 per day for a watered-down data plan that throttles after a few hundred MB. Google Maps, translation apps, booking restaurants on the fly — all the things that make Japan so easy to navigate — eat through that allowance fast.

Why Japan is Different

Japan's mobile landscape is dominated by three major carriers: NTT Docomo, SoftBank, and au (KDDI). Coverage is phenomenal — you'll have signal in train tunnels, deep in Kyoto's bamboo groves, and even on the shinkansen doing 320km/h. The catch? Japanese networks historically required foreign visitors to use tourist-specific SIM cards that couldn't make calls, had complex registration requirements, and often came with aggressive data caps.

That's exactly the problem a travel eSIM solves. You get a local data connection — riding on those same Docomo or SoftBank towers — without any of the paperwork or the physical SIM card hassle.

What to Expect from Coverage

In the major cities — Tokyo, Osaka, Kyoto, Hiroshima, Sapporo — coverage is essentially perfect. 4G LTE is everywhere, and 5G is rolling out quickly across urban centres. If your trip is mainly city-based, you'll have zero issues.

Rural Japan is a different story. If you're planning a hiking trip through the Japan Alps, a stay in a remote onsen village, or a cycling trip along the Shimanto River in Kochi, signal can be patchy. It's still generally better than rural coverage in most Western countries, but it's worth knowing you may hit a few dead zones.

How Much Data Do You Actually Need?

This is the question everyone asks and nobody gives a straight answer to. Here's our honest breakdown for a typical Japan trip:

If you're on a 2-week trip and you're not streaming video, a 10GB plan is usually comfortable. If you're working remotely from a Tokyo apartment, go unlimited.

A Few Japan-Specific Tips

Download offline maps before you go. Google Maps and Maps.me both allow offline map downloads. Japan's train system is complex and having offline maps as a backup is genuinely useful, especially in areas with spotty signal.

Get Google Translate offline too. Download the Japanese language pack for offline use. The camera translation feature is a lifesaver for restaurant menus and signs.

Install your eSIM before you board. You want to arrive at Narita or Haneda and have connectivity the moment you clear customs — not spend 20 minutes fiddling with your phone settings at the airport.

Set your Travoyer eSIM as the data line. Once installed, go to Settings → Cellular and make sure your eSIM is selected for data. Keep your home SIM active for iMessage and calls.

Your Phone in France: How to Skip Roaming Charges and Stay Connected the Smart Way

You're sitting at a café on the Île Saint-Louis, croissant in hand, trying to pull up the opening hours for the Musée d'Orsay. Or you're navigating a roundabout in Provence, desperately needing GPS. This is not the moment to discover your carrier is charging you $15 a day for roaming.

France is one of the most-visited countries on earth and one of the most straightforward for mobile connectivity — if you set yourself up right before you go. Here's the honest guide to staying connected without the bill shock.

The Roaming Problem

If you're travelling from Canada or the US, roaming in France with your home carrier typically costs between $10 and $15 per day. For a 10-day trip, that's $100–$150 added to your phone bill — before you've spent a single euro on anything fun. Some carriers offer slightly better deals, but they almost always involve data throttling or complicated add-on packages you have to remember to activate before departure.

A travel eSIM flips this completely. You pay a flat one-time fee for a fixed data allowance, and that's it. No daily charges, no overage fees, no surprises when you get home.

Coverage in France

France's main carriers are Orange, SFR, Bouygues Telecom, and Free Mobile. Coverage in cities is excellent — Paris in particular has strong 4G and growing 5G coverage. The major tourist corridors (Paris, the Loire Valley, Lyon, the Riviera, Bordeaux) are well-covered.

Rural France — the Dordogne, deep Normandy, mountain villages in the Alps or Pyrénées — can have patchy coverage. This isn't unique to travel eSIMs; local French SIMs face the same limitations. If you're planning a rural road trip, download your route offline in Google Maps before you set off each morning.

Paris vs the Rest of France

If your trip is Paris-centric, connectivity is genuinely the least of your worries. The Métro has Wi-Fi at most stations, most cafés and restaurants have free Wi-Fi (though it's often slow), and 4G signal is strong throughout the city. That said, relying on café Wi-Fi is unreliable and a security risk — always have your own connection.

Outside Paris, you'll appreciate having your own data connection more. Navigating between wine regions in Burgundy, finding a specific château in the Loire Valley, or pulling up a restaurant in a small village — these are exactly the moments where having reliable data matters most and where public Wi-Fi simply isn't available.

How Much Data for France?

Tips for France Specifically

Download Google Maps offline for each region. You can save offline maps by area. Do Paris, Lyon, Côte d'Azur etc as separate downloads before you leave home.

Save your hotel and key addresses. Add your accommodation to Google Maps favourites so you can find your way home even if your data is temporarily unavailable.

Turn off auto-play video. Instagram Reels, TikTok, and YouTube auto-play are the fastest way to blow through a data allowance. Turn off auto-play in each app's settings.

WhatsApp works great for calls. France has excellent coverage so voice and video calls over WhatsApp are crisp and reliable — no need to pay per-minute roaming rates for calls home.

What Is a Travel eSIM and Why Every Frequent Traveller Swears By Them

If you've ever landed in a new country, turned on your phone, and watched in horror as the roaming charges start stacking up — this one's for you. There's a smarter way to stay connected abroad, and once you try it, you'll never go back to roaming.

So What Exactly Is an eSIM?

An eSIM is a digital SIM card built directly into your phone. Instead of a tiny plastic card you slot into a tray, it's a chip already embedded in your device. You activate a plan on it by scanning a QR code — that's literally it.

Most modern smartphones have supported eSIM for years now. iPhone XR and newer, Samsung Galaxy S20 and newer, Google Pixel 3 and newer — if your phone is from the last few years, there's a good chance it already has one built in and you've never thought to use it.

What Makes a Travel eSIM Different

Your main SIM (the one from your home carrier) stays exactly where it is. A travel eSIM lives alongside it as a second line — you set it as your data connection when you land, and your home SIM stays active for calls and texts from people at home.

The plan itself connects to local networks in your destination country — the same towers that locals use. That means you get genuine local speeds, not some degraded international roaming experience.

Travel eSIM vs Roaming: The Real Comparison

Who Is a Travel eSIM For?

If you travel more than once a year — a travel eSIM will save you money on every single trip. The math is simple.

If you hate paperwork — no forms, no contracts, no waiting in line at an airport SIM kiosk after a long flight.

If you use your phone for navigation — Google Maps on a data plan is infinitely more reliable than hoping you remembered to download offline maps.

If you work remotely — a local data connection means video calls, Slack, and emails without hunting for café Wi-Fi or paying hotel internet fees.

How to Set It Up (It's Genuinely Simple)

Step 1: Check that your phone is eSIM-compatible and carrier-unlocked. Most phones from 2019 onwards qualify.

Step 2: Choose your destination and pick a plan. Match the data size to your trip length — when in doubt, go one tier up.

Step 3: Buy the plan and scan the QR code you receive by email. Takes about 2 minutes on a home Wi-Fi connection.

Step 4: Land, turn on data, done. Your plan activates automatically when you connect to a local network.