SIM Cards
Japan SIM Card — How to Stay Connected in Japan
Traveling to Japan? Staying connected is essential — from using Google Maps in Shinjuku to uploading Mt. Fuji photos on Instagram. The good news is that you can easily get a Japan SIM card, eSIM, or Pocket Wi-Fi depending on your travel style.
👉SIM cards are perfect for budget-conscious travelers who want a physical option with pickup at Narita, Haneda, or Kansai airports.
👉eSIMs allow instant activation via QR code before you even land, ideal for modern phones like iPhone, Pixel, and Samsung.
👉Pocket Wi-Fi offers unlimited data for families and groups who need to connect multiple devices.
In this guide, we’ll compare the best Japan SIM & eSIM providers, explain where to buy, how to activate, and what to expect regarding prices and coverage. By the end, you’ll know the smartest way to stay online in Japan without overpaying for roaming.
Essential Travel Tools for Japan
Every trip starts with the basics. These tools are the backbone of traveling in Japan. From transport to internet, we’ve listed the essentials every visitor needs — with direct links to our in-depth guides.
Best SIM & eSIM Options in Japan
🔑 How to Get a SIM Card or eSIM in Japan — Step by Step
Whether you choose a SIM card, eSIM, or Pocket Wi-Fi, the process is simple. Follow these steps to stay connected from the moment you land.
1 Decide between SIM, eSIM, or Pocket Wi-Fi
- SIM Card: physical, insert into phone, reliable for single users.
- eSIM: instant QR code delivery, no physical card, best for modern phones.
- Pocket Wi-Fi: shares unlimited data with multiple devices, great for groups.
2 Choose provider & plan
- SoftBank (budget, wide availability).
- Docomo (best rural coverage).
- Airport SIM providers (pickup counters in Narita, Haneda, Kansai, Chubu).
3 Book online before you travel
- Reserve via trusted platforms or official providers.
- Receive confirmation + QR/e-voucher.
- Often cheaper than buying directly at the airport.
4 Pick up or activate
- SIM card: show passport, pick up at airport counter.
- eSIM: scan QR from email, activate instantly.
- Pocket Wi-Fi: collect router kit with charger & return envelope.
❓ Japan SIM & eSIM — Frequently Asked Questions
Which is better, SIM card or eSIM?
eSIM is best for instant activation and travelers with newer phones. SIM cards are reliable if your device doesn’t support eSIM.
Do SIM cards in Japan include unlimited data?
Yes, many plans include “unlimited” with fair-use policies. Heavy use may trigger temporary speed reductions.
Where can I pick up my SIM card?
Most providers offer pickup at Narita, Haneda, Kansai, Chubu airports, or delivery to hotels and addresses in Japan.
Can I share data with multiple devices?
SIM/eSIM = one device only. For sharing, rent a Pocket Wi-Fi router.
Do I need to show my passport?
Yes. Japanese law requires passport verification when picking up a SIM card in person. eSIM activation via email usually skips this step.