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Your complete resource for staying connected in Japan. Guides, comparisons, and tips to help you choose the right eSIM and enjoy seamless connectivity throughout your trip.
eSIM vs Physical SIM: Key Differences Explained 2026
TL;DR â An eSIM vs physical SIM comparison comes down to architecture: a physical SIM is a removable chip you slide into your phone's tray, while an eSIM is ...
What Is an eSIM? Complete Technical Guide for 2026
TL;DR: An eSIM (embedded SIM) is a digital SIM card built into your phone's hardware at the factory. Instead of inserting a tiny piece of plastic, you downlo...
eSIM Japan Refund: Conditions and Procedure (2026 Guide)
TL;DR: A Japan eSIM from PlanJapan is fully refundable if it has never been activated, within 14 days of purchase (under EU consumer-rights law). Once activa...
Japan eSIM Not Working: Complete Troubleshooting Guide (2026)
TL;DR: If your Japan eSIM is not working, the most common causes are: incompatible or carrier-locked phone, eSIM profile installed but not activated, incorre...
eSIM Japan 30 Days: Which Data Plan Should You Choose?
In short: For a 30-day trip to Japan, the 20 GB plan covers standard usage â daily Maps navigation, messaging, Instagram browsing, and a few WhatsApp video c...
Top 10 Best eSIMs for Japan in 2026: Full Comparison
TL;DR: Our 2026 ranking of the 10 best eSIMs for Japan compares providers on local network quality (NTT Docomo, SoftBank, KDDI), pricing transparency, activa...
Japan Unlimited Data eSIM: Complete Guide (2026)
A Japan unlimited eSIM gives you unrestricted 4G/5G connectivity across the entire country, with no data cap and no speed throttling. It runs on NTT Docomo's...
Japan eSIM for Golden Week: Connectivity Guide 2026
Golden Week (April 29 – May 5) is Japan’s busiest travel period of the year. Millions of Japanese nationals and international tourists converge o...
SFR, Orange, Bouygues au Japon : roaming ou eSIM ? (2026)
TL;DR Votre forfait français peut fonctionner au Japon, mais les conditions varient énormément d'un opérateur à l'autre. SFR/RED inclut le Japon dans son for...
Forfait Free Max au Japon : ca marche vraiment ? Test 2026
TL;DR Depuis le 31 mars 2026, Free Max propose la data illimitee dans 135+ destinations dont le Japon, pour 19,99 EUR/mois. Sur le papier, c'est seduisant. E...
eSIM Japan vs roaming: why you should skip your carrier's plan (2026)
TL;DR Using your home carrier's plan in Japan costs between $5 and $15 per day in roaming fees, depending on your provider. Even "generous" plans impose data...
Holafly Japan: honest review, hidden limits and alternative (2026)
TL;DR Holafly offers a Japan eSIM with unlimited data, a well-made app, and a recognized brand. But looking closer, you'll find limitations rarely mentioned:...