
KDDI Japan eSIM with Unlimited 5G/4G Data
Pick your date
Highlighted days have spots open. Grey days are sold out or not running.
September 2026
Loading live availability
Who is going?
Adults
Age 13 and over
Children
Age 12 and under
Select a highlighted day to see live departure times and the exact price for your group.
Non-refundable booking. Same price on Viator, Outty earns a commission.
Traveler rating
5.0/5
Based on 1 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is KDDI Japan eSIM with Unlimited 5G/4G Data worth booking?
KDDI Japan eSIM with Unlimited 5G/4G Data is a 72-hour experience in Tokyo, Japan, from $11 per person. It scores 54 out of 100 on the Outty Ranking, which we label “Worth a Look”, based on a 5/5 rating across 1 reviews. This booking is non-refundable, so pick your date carefully. Same-day spots are currently showing.
- Outty Ranking
- 54 / 100
- Rating
- 5/5 (1)
- Duration
- 72 hours
- From
- $11 per person
Check if Your Device Supports eSIM 1. Make sure it is a SIM unlocked phone 2. Open keypad,Dial *#06# - "EID" displayed ➡️ eSIM supported✅ - No "EID" ➡️ eSIM not supported❌ ※ Note: MEID ≠ EID ※ Data | 5G/4G Unlimited Dat
What you get
- Unlimited 5G/4G local data
- Official WhatsApp C/S :
- eSIM QR Code will be sent within 24 hours via Viator message and Email.
- Tethering available with limitations
About this experience
Check if Your Device Supports eSIM 1. Make sure it is a SIM unlocked phone 2. Open keypad,Dial *#06# - "EID" displayed ➡️ eSIM supported✅ - No "EID" ➡️ eSIM not supported❌ ※ Note: MEID ≠ EID ※ Data | 5G/4G Unlimited Data - Supported by official KDDI local network - About 5G signal: 5G signals may switch to 4G in indoor areas, subways, or congested crowds. Voice & SMS | N/A Validity Period | Calendar Day System - Start of Validity: Day 1 begins upon connecting to the KDDI network in Japan. - Calendar Day Rule: Regardless of activation time, Day 1 ends at 23:59 JST on the same day. - Example: If activated at 09:00 on Jan 1, Day 1 concludes at 23:59 on Jan 1 (Jan 2 00:00 marks the start of Day 2). Hotspot & Tethering | Limits vary by plan ⚠️ Once hotspot data is used up, tethering will no longer be available. - 3/4-day: 3GB - 5-day: 4GB - 6-day: 5GB - 7-day: 6GB - 8-day: 7GB - 9-day: 8GB - 10-day: 9GB - 15-day: 14GB - 20-day: 19GB - 30-day: 30GB
What's included
Included
- Unlimited 5G/4G local data
- Official WhatsApp C/S :
- eSIM QR Code will be sent within 24 hours via Viator message and Email.
- Tethering available with limitations
Not included
- Roaming Service
- Voice & SMS services
Where it starts and ends
Meeting point
Tokyo
Hotel pickup
No pickup: everyone meets at the start point.
Ends at
Returns to the starting point
Options you can book
10 days
Duration: 10 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★ Check your device: Please ensure your phone supports eSIM.
20 days
Duration: 20 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★
7 days
Duration: 7 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★ Check your device: Please ensure your phone supports eSIM.
15 days
Duration: 15 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★
5 days
Duration: 5 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★
30 days
Duration: 30 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★
8 days
Duration: 8 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★
9 days
Duration: 9 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★
3 days
Duration: 3 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★
6 days
Duration: 6 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★
4 days
Duration: 4 days: ★Please write down your email for receiving eSIM QR code in 'Special Requirements' while booking★ Check your device: Please ensure your phone supports eSIM.
Before you book
- Cancellation
- All sales are final. No refund is available for cancellations.
- Languages
- ko, cmn, ja, en
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 1 travelers per booking
- Operated by
- Link Korea
Know before you go
- Suitable for all physical fitness levels
- 5G signals may switch to 4G in indoor areas, subways, or congested crowds.
- Hotspot & Tethering data allowance have limits vary by plan.
- Please contact us via WhatsApp if facing any difficulties :
Photos




Traveler reviews
1 verified traveler reviews for KDDI Japan eSIM with Unlimited 5G/4G Data. Ratings and reviews provided by Viator and Tripadvisor.
Excellent!
No issues using this eSIM in Tokyo and Kyoto. I travel a lot and I have used multiple eSIMs before. This one was a Pretty good deal!
Response from the operator: We’re so happy to hear from you! Thank you for your valuable feedback. Hope there will be another chance serving you again in the future :)
via Viator
Good to know
- Duration
- 72 hours
- Free cancellation
- Non-refundable
- Minimum age to book
- 1+
- Availability
- Bookable today
- Runs on
- Every day
- Price range
- $11 to $71
- Hotel pickup
- No pickup, meet at start point
- Booked in 30 days
- 0
- Verdict
- Worth a Look
Why this scores 54
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
KDDI Japan eSIM with Unlimited 5G/4G Data: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Tokyo.
How much does KDDI Japan eSIM with Unlimited 5G/4G Data cost?
+
Prices start at $11 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Tokyo usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does KDDI Japan eSIM with Unlimited 5G/4G Data take?
+
Plan for about 72 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Tokyo is not rushed.
Is KDDI Japan eSIM with Unlimited 5G/4G Data worth it?
+
It holds an Outty Ranking of 54 out of 100, which we label "Worth a Look". That score blends traveler sentiment (5/5 across 1 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable culture & history in Tokyo, and how flexible the cancellation terms are.
Can I cancel or reschedule KDDI Japan eSIM with Unlimited 5G/4G Data?
+
No. This experience is sold on a non-refundable basis, so only book a date you are confident about. Similar experiences in the city do offer free cancellation if flexibility matters more than price.
Is KDDI Japan eSIM with Unlimited 5G/4G Data suitable for kids and families?
+
The operator sets a minimum age of 1. Older children generally do well here, and families should factor in the 72-hour running time when deciding.
How far in advance should I book KDDI Japan eSIM with Unlimited 5G/4G Data?
+
Around 0 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Tokyo can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
+
Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Tokyo and add a light layer if any part of the 72-hour experience runs outdoors or after sunset.
Where does KDDI Japan eSIM with Unlimited 5G/4G Data start and how do I get there?
+
The exact meeting point and directions are on your voucher once you book, and they sit in central Tokyo within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in Tokyo?
+
Tokyo is less a city than a stack of neighborhoods with completely different opening hours. A guided food crawl through Shinjuku's Omoide Yokocho gets you past the no-tourist curtains, while the day trips west to Hakone and Fuji need an early start to be worth the fare. Our ranking weighs guide quality heavily here, because in Tokyo the guide is the product. On Outty we rank every Tokyo experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Tokyo Shinjuku Chopsticks Making Class, Tokyo : Asakusa Chopsticks Making Class, Shinjuku Night Food and Bar Crawl. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit Tokyo?
+
Late March to May for blossom, October to November for clear Fuji views. Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in Tokyo?
+
Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
+
Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
Ready to lock in your spot?
Pick a date, choose your group, and see the exact price for KDDI Japan eSIM with Unlimited 5G/4G Data.
Pick your date





