Comment utiliser une eSIM au Japon avec Planjapon : guide complet 2025 - PlanJapon

How to use an eSIM in Japan with Planjapon: Complete guide 2025

✅ Why choose a Planjapon eSIM for traveling to Japan?

The Planjapon eSIM is the easiest way to stay connected in Japan. In just a few clicks, you'll receive a QR code by email and activate your internet connection as soon as you arrive.

Why Planjapon?

  • ✅ 100% online, instant activation.

  • ✅ Stable connection with the best Japanese networks (Softbank or Docomo).

  • ✅ Three packages suitable for all travelers:
    🔹 10 GB – for short stays
    🔹 20 GB – for comfortable browsing for 1 to 2 weeks
    🔹 50 GB – for long-term or ultra-connected travelers

📱 Is my phone compatible with Planjapon eSIM?

Planjapon works with all recent eSIM-compatible smartphones.

📌 Compatible models:

  • iPhone XR and newer

  • Samsung Galaxy S20/S21/S22/S23/S24

  • Google Pixel 3 and later

  • Huawei P40, Mate 40 Pro

  • Other recent Android models

To check: Settings > Cellular Data > Add Cellular Plan .

🧳 When and how to buy a Planjapon eSIM?

You can buy your eSIM from France or already in Japan , on our Planjapon website.

🛒 Purchase steps:

  1. Choose your plan: 10 GB , 20 GB , or 50 GB .

  2. Make your payment online.

  3. Receive your QR code immediately by email .

  4. Install and activate eSIM in less than 2 minutes.

💡 Tip: Install it before your flight and activate it upon arrival!

🔧 How to activate your Planjapon eSIM?

  1. Connect to Wi-Fi (airport, hotel, home, etc.).

  2. Scan the QR code received by email.

  3. Accepts the addition of the new mobile plan.

  4. Activate the Planjapon mobile line.

  5. Enjoy the internet in Japan immediately!

🕓 The day counter starts immediately upon activation. Activate it only upon arrival.

🌐 What network coverage with Planjapon?

Planjapon eSIMs use the networks of the best Japanese operators (Softbank or Docomo). Result:

  • Very good coverage in cities: Tokyo, Osaka, Kyoto, Hiroshima…

  • Good connection in the countryside, mountains and rural areas.

  • Stable connection even on trains (including Shinkansen).

🚄 Ideal for Google Maps, social media, YouTube, emails and online calls.

💡 Our tips for optimizing your Planjapon eSIM

  • 🔋 Turn off automatic updates to save your GB.

  • 📶 Use Wi-Fi when possible.

  • 🌍 Download offline maps for tours.

  • 📈 Monitor your consumption in the settings.

❓FAQ – Frequently Asked Questions

Can I call with my Planjapon eSIM?
Yes, but via apps like WhatsApp, FaceTime, or Messenger. Planjapon plans are data-only.

Can I keep my French SIM active?
Absolutely. Planjapon is used like a second line. You keep your SIM card to receive your banking text messages.

What if I change my phone?
The eSIM is tied to a single device. To change devices, a new eSIM is required.

🎌 Conclusion: travel to Japan with complete peace of mind with Planjapon

With Planjapon , you can stay connected anywhere in Japan without worrying about Wi-Fi, roaming charges, or physical SIM cards.

🛒 Our available eSIM plans:

  • 🔹 10 GB – ideal for short stays or moderate users

  • 🔹 20 GB – perfect for 1 to 2 weeks of typical travel

  • 🔹 50 GB – for heavy users or long stays

➡️ Order your Planjapon eSIM now and travel with peace of mind.

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