Japan Unlimited 5G Data eSIM – SoftBank Network
From USD $28.48
How To Activate
Your eSIM
IN 3 EASY STEPS
1. Check If Your Phone Works
Before you buy your eSIM. Make sure your device supports eSIM technology. Tap below to see our complete list of compatible eSIM devices.
2. Buy Your eSIM
When you decide on the eSIM plan you want. Complete your purchase. Once purchased, you'll receive 2 emails, an order confirmation email and a seperate email containing a QR code with simple activation instructions.
3. Scan & Activate
When you land in any Airport overseas. Connect to the free Airport Wi-Fi. Once connected, scan the QR code in your eSIM email, turn on data roaming and start using your eSIM right away!
Give Your Roaming Bill
The Royal Flush
Welcome To The King Sims Experience
Step 1: It All Starts With The King's Travel eSIM
Convenience is King 👑
The King has made your travel experience smooth and easy with new technology. With a click of a button and a simple QR code scan, you can say goodbye to waiting for a prepaid SIM card before leaving for Japan or searching for one at the airport. Say hello to a new way of traveling like a King 🤴 and 👸Queen in 🇯🇵 Japan.
Step 2: *Ding* You’ve got an email! It looks like it’s from the King 👑
Don't Keep The King Waiting…
Open it up… Do you like what you see? It may not be as exciting as our physical King SIMs, but this neat little QR code has HUGE benefits. Save it and don’t forget to open your email or King Sims app with this QR code when you land overseas. Trust us, you’ll need it.
Step 3: Land Overseas… Scan & Play 🤳 Be On Your Way!
"TOUCH DOWN!" 🛬
When the plane lands, connect to the free airport Wi-Fi. Open your email with your King Sims eSIM and scan the QR code. Go to your "Mobile Data Roaming" settings and turn your "data roaming" to 'ON' Before you even leave the Airport, your eSIM should be up and running, and your phone buzzing 📲 from all the missed notifications on your flight ✈️
Step 4: Walk out of the Airport Like a King & Queen
You've Earned Your Crown, Now Wear It! 👑
Congratulations, Royal Traveller! You’ve just unlocked the ultimate Japan eSIM. No plastic SIM card, no stress, instant connection, just pure 5G power in the palm of your hand. This eSIM gives you unlimited high-speed data, from your first day in Japan until your last. Whether you’re here for 7, 15, 30, or even 90 days, you’re always connected like a King or Queen.
⚡ Powered by SoftBank, Japan’s leading network
📲 No physical SIM needed — activate in seconds
⛩️ Works everywhere in Japan — cities, trains, temples
💸 Save hundreds in roaming fees, and skip the airport waiting.
You scanned your QR code. You activated. You landed connected. Now go enjoy your trip and remember…
Welcome to the King Sims Experience 👑
Royal Reviews
Connected 100K + Travellers 🎉
- Reviews
- Questions
AUReliable Connection for My Entire Stay 😎
I got the 30 day plan and it delivered fast data everywhere,Tokyo, Nagoya, and Kyoto. Used it for translations, restaurant searches, and uploading photos daily. Really appreciated how effortless the setup was after a long flight.
AUReliable Unlimited Data 👍
Used it every day for maps, messaging, and browsing with no slowdowns.
AUThis eSIM Fought Every Battle With Me 😎
Whether I was pushing through crowds in Shibuya or deep inside Kyoto’s markets, the unlimited 5G held strong like a champ. Maps, videos, google translations, everything loaded instantly. This thing doesn’t tap out.
AUSmooth Hotspot Sharing 👍
Shared the connection with my laptop for work no lag at all.