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Japan eSIM 2026: prices, data plans and setup

2026-10-21 · goAFK
Short answer
  • Japan eSIM from $2.57; 5 GB / 15 days $15.58; unlimited 7 days $42.98.
  • Install at home, switch on when you land.

Mobile data in Japan

Japan has few SIM options for tourists and pocket Wi-Fi must be returned. An eSIM installs at home and works from Narita or Kansai.

Japan eSIM plans

PlanPrice
1 GB / 7 days$4.01
3 GB / 7 days$9.85
5 GB / 15 days$15.58
10 GB / 30 days$28.04
20 GB / 30 days$49.45
Unlimited / 7 days$42.98
Unlimited / 15 days$61.40
Unlimited / 30 days$95.06
goAFK prices from our catalog on 2026-10-21.

Tips before you go

  • Navigating trains and the metro with Google Maps uses roughly 100–200 MB a day.
  • For 10–14 busy days, take 10 GB or unlimited.
  • Going on to Korea or China? Compare with the regional Asia plan.

How to install

  1. Scan the QR code at home on Wi-Fi: iPhone — Settings → Cellular → Add eSIM; Android — Settings → Connections → SIM manager → Add eSIM.
  2. Keep your home SIM installed: bank and service SMS codes keep arriving on it.
  3. After landing, set the eSIM as the line for mobile data and turn on data roaming for it.

FAQ

How much is an eSIM for Japan?
From $2.57; 5 GB for 15 days is $15.58.
Do I need a passport or ID to buy it?
No. A travel data eSIM is bought online without documents.
When does the plan start?
When the eSIM first connects to a network at your destination, not when you buy or install it.
Can I keep my own number?
Yes. Your home SIM stays in the phone for calls and SMS; the eSIM handles mobile data.
What if I run out of data?
Top up the same eSIM from your profile; no new QR code or reinstall is needed.
See Japan eSIM plans