Name: ESIM JAPAN eSIM
Rating: 4.67 (3607 reviews)

Powered by KDDI

KDDI, a major Japanese telecom with 70 years of history, won the Download Speed Experience award from OpenSignal, surpassing three other carriers including NTT Docomo and Softbank.

Powered by KDDI

KDDI, a major Japanese telecom with 70 years of history, won the Download Speed Experience award from OpenSignal, surpassing three other carriers including NTT Docomo and Softbank.

KDDI 5G Network provides

Non-stop internet

KDDI 5G Network provides

Non-stop internet

	Lightning-fast 5G speeds with no slowdowns
	Same top quality network used by locals
	The best price per GB you’ll find

As this plan connects directly to KDDI's local towers, it ensures low latency. The download ping is only 42ms, which is an excellent score. You can also experience download speeds of up to 600Mbps in 5G mode.

Better deals than Airports

Do you still buy eSIM after you land in Airport ?
Get online in just 5 minutes and be ready ahead of time.

*This is the actual price at Narita Airport.

*This is the actual price at Narita Airport.

Choose your best option

Plan details:

	Unlimited Internet without speed restriction
	Data-only plans, not including local phone numbers.
	A day is counted at 00:00 based on Japanese time. For example, if you activate the eSIM at 23:00 and it reaches 00:00, it is counted as one day.

Vaildity days

Price

3 days	15.99	$11.99
4 days	21.32	$15.99
5 days	26.65	$19.99
6 days	31.99	$23.99
7 days	37.32	$27.99

Vaildity days

Price

8 days	39.99	$29.99
9 days	42.65	$31.99
10 days	45.32	$33.99
11 days	50.65	$37.99
12 days	53.32	$39.99

Vaildity days

Price

13 days	55.99	$41.99
14 days	58.65	$43.99
15 days	61.32	$45.99
20 days	93.32	$69.99
31 days	106.65	$79.99

All our plans include
these benefits

Unlimited at
Max Speed

Nationwide
Coverage

Free Mobile
Hotspot

Free au
WiFi Zone

Things to know

	Check Compatibility Before ordering, ensure your device is carrier-unlocked and compatible. Click here for a guide to check if your phone is locked. Check our list of compatible models by clicking here. To briefly check compatibility, dial *#06# on your device and check that your IMEI or MEID is displayed.
	Mobile Hotspot The mobile hotspot data allowance varies depending on the date option. Please refer to the details below. *Mobile Hotspot Data 3, 4 Days: 3GB / 5, 6, 7 Days: 6GB / 8, 9, 10 Days: 9GB / 11, 12, 13, 14, 15 Days: 15GB / 20,30 Days: 30GB
	Activation Point Data plan will start as soon as you connect to local network. You can scan the QR code and install the eSIM in advance. As this plan is directly provided by a Japanese Carrier(au by KDDI), there’s no need to toggle on [Data Roaming].
	5G Connectivity 5G is available in compatible phones in 5G coverage zones. 5G coverage may vary depending on regional circumstances. Refunds due to lack of 5G support will not be accepted.
	Unable to Reinstall or Transfer Removing the eSIM will delete the data plan from your phone. You can’t install the eSIM again. Please do not remove your eSIM by tapping [Remove Cellular Plan] button while in use.
	To get in touch with us, ask eSIM World Team anytime via [email protected].

Unlimited data is enough for travelers to do everything

Translate a text on Google Translate
Watch videos on Youtube
Search routes on Google Maps
Send a text message on WhatsApp
Call a taxi from Uber

Our Local Network provides best connection in Okinawa

eSIM Okinawa offers reliable service on the KDDI’s network. You’ll enjoy 4G LTE speed not only in Okinawa but also everywhere in Japan.

Okinawa	Tokyo
Kyoto	Nagoya
Osaka

150,000+ Travelers like you already used our eSIM

Join them now!

We have helped thousands of customers get hassle-free connectivity. Experience the easiest way to stay connected.

What you can expect

High-speed data

Experience the reliable
4G LTE local network.

Instant connectivity

Get mobile data connection
in just a couple of minutes.

Keep number

Keep your current number
and use data with our eSIM.

Near-local rate

Goodbye to expensive roaming fees. No hidden fee.

High-speed data

Experience the reliable 4G LTE local network.

Instant connectivity

Get mobile data connection in just a couple of minutes.

Keep number

Keep your current number and use data with our eSIM.

Near-local rate

Goodbye to expensive roaming fees. No hidden fee.

How it works

Get eSIM at your fingertips, Get ready for your trip!

Step 1

Pick a plan

Choose the plan that suits your travel needs and place an order.

Step 2

Scan the QR code

Receive the QR code via email and instantly scan it to activate.

Step 3

Ready to go!

Have a light and enjoyable trip without any data concerns.

Our Promise
24/7 Personalized Support

No matter when you reach out—whether it's 2 PM or 2 AM— our dedicated customer support team is ready to help you. Get practical and helpful solutions from skilled human experts.

Has the best and most reliable Customer Service
My first time using eSIM and eSIM Japan and I couldn’t be happier. Customer Service got back to me instantly everytime I had to contact them for help. All around 5-star experience.

Shirley W.
Verified | 2023-10-12

Excellent customer service! Very quick and detailed response. Great price too! Took 3 minutes to install. Will use this service again for sure!

Shane Takamune
Verified | 2023-10-29

Easy to install
Great experience. Customer service was clear and fast. I had questions about the eSIM I bought and they were friendly and helpful.

Tariq B
Verified | 2024-08-29

Great service!
Great service, activating it was a bit tough but customer service was very helpful and had me sorted out in a few hours. Would definitely use this service again while traveling in Asia.

Ginny Woo
Verified | 2023-03-24

Very good and responding customer service
Very fast replies and reactions on my esim cards issue. Very good customer service. After adjusting the right data provider all worked perfect.

Jaroslav Hyjanek
Verified | 2023-03-05

Amazing very helpful team
The team was very helpful. They provided detailed instructions and photos guiding setting up my eSIM card. I had internet access throughout my trip in Japan even in little towns.

Claudia
Verified | 2024-08-31

Frequently asked questions

Can I use eSIM Okinawa in other cities across Japan?

Yes, eSIM Okinawa works not only in Okinawa but also 99% of the time in Japan. City eSIM Plans help you connect to the best network in the selected city.
If you plan to stay longer in a particular city, consider choosing our City eSIM Plans for added convenience.

Should I order and activate an eSIM before traveling?

You can purchase an eSIM at your convenience, either one day before your travel date or upon arrival at your destination.
Additionally, please note that to install the eSIM, your device must be connected to a Wi-Fi or a cellular data network.

Does eSIM Okinawa truly offer Unlimited Data?

Yes, there is no speed cap. However, excessively high mobile data usage may result in carrier penalties without prior notice. Please note that no refunds, cancellations, or returns will be accepted.

Is 5G network available in all areas of Japan?

5G is available in compatible phones in 5G coverage zones. 5G coverage may vary depending on regional circumstances. Refunds, cancellations, or returns, due to lack of 5G support are not possible.

Are voice calls and SMS available with the eSIM plan?

You cannot make phone calls or use SMS with this eSIM plan.
eSIM Okinawa plan is data-only and do not include a local mobile number.

Where can I use Free au WiFi?

Please check the au WiFi Zone here: https://au.wi2.ne.jp/area/.
Common au Free WiFi Zone: Starbucks, Doutor, KFC, Subway, Don Quijote, Big Camera

After my eSIM plan expires, can I extend it?

Please note that we do not offer a top-up service for eSIM Okinawa plan. Instead, we recommend purchasing a new eSIM plan and installing it on your device again.

Are there any inaccessible mobile apps when using the eSIM plan?

You are free to use all mobile apps without any restrictions.

How can I get support from eSIM World Team?

To get in touch with us, ask eSIM World Team anytime via [email protected].

Customer Reviews

Good reception even on Tokashikijima!

Hi Rob, thank you so much for your kind review! We're thrilled to hear that our eSIM Okinawa provided good reception even on Tokashikijima. We strive to provide the best service for our customers and we're glad it met your expectations. Have a great day!

The service provider you used is much better than others that i have tried.

Thank you for your positive feedback! We're glad to hear that you had a great experience with our eSIM service in Okinawa. We continuously strive to provide our customers with the best service possible. Thanks for choosing us!

Great easy to use

Great

Thanks for the awesome feedback!
We're so happy to hear you found it easy to use. If you need anything else, just let us know! 😊

eSIM Okinawa

It was a little slow sometimes

We appreciate your feedback and are sorry to hear that the connection was sometimes slow, Sofia.
Our eSIM provides high-speed data up to the daily limit, after which speeds are reduced but still allow basic usage.
Network performance can also be affected by factors like location and signal strength.
If you ever experience slow speeds, we recommend restarting your device or checking your data usage.
We value your input and will continue working to improve our service. Thank you for choosing us!

1 2 3

Network	KDDI, #1 in Okinawa
Delivery	Instantly sent via email
Data	Unlimited 5G/4G LTE at Max Speed Data

eSIM Okinawa

Powered by KDDI

KDDI, a major Japanese telecom with 70 years of history, won the Download Speed Experience award from OpenSignal, surpassing three other carriers including NTT Docomo and Softbank.

Powered by KDDI

KDDI, a major Japanese telecom with 70 years of history, won the Download Speed Experience award from OpenSignal, surpassing three other carriers including NTT Docomo and Softbank.

KDDI 5G Network provides

Non-stop internet

Lightning-fast 5G speeds with no slowdowns

Same top quality network used by locals

The best price per GB you’ll find

Do you still buy eSIM after you land in Airport ? Get online in just 5 minutes and be ready ahead of time.

Do you still buy eSIM after you land in Airport ? Get online in just 5 minutes and be ready ahead of time.

All our plans include these benefits

Unlimited at Max Speed

Nationwide Coverage

Free Mobile Hotspot

Free au WiFi Zone

Things to know

Check Compatibility

Mobile Hotspot

Activation Point

5G Connectivity

Unable to Reinstall or Transfer

Unlimited data is enough for travelers to do everything

Translate a text on Google Translate Watch videos on Youtube Search routes on Google Maps Send a text message on WhatsApp Call a taxi from Uber

Our Local Network provides best connection in Okinawa

eSIM Okinawa offers reliable service on the KDDI’s network. You’ll enjoy 4G LTE speed not only in Okinawa but also everywhere in Japan.

Okinawa

Tokyo

Kyoto

Nagoya

Osaka

150,000+ Travelers like you already used our eSIM

Join them now!

We have helped thousands of customers get hassle-free connectivity. Experience the easiest way to stay connected.

What you can expect

High-speed data

Instant connectivity

Keep number

Near-local rate

High-speed data

Instant connectivity

Keep number

Near-local rate

How it works

Get eSIM at your fingertips, Get ready for your trip!

Step 1

Pick a plan

Step 2

Scan the QR code

Step 3

Ready to go!

Our Promise 24/7 Personalized Support

No matter when you reach out—whether it's 2 PM or 2 AM— our dedicated customer support team is ready to help you. Get practical and helpful solutions from skilled human experts.

Has the best and most reliable Customer ServiceMy first time using eSIM and eSIM Japan and I couldn’t be happier. Customer Service got back to me instantly everytime I had to contact them for help. All around 5-star experience.

Excellent customer service! Very quick and detailed response. Great price too! Took 3 minutes to install. Will use this service again for sure!

Easy to installGreat experience. Customer service was clear and fast. I had questions about the eSIM I bought and they were friendly and helpful.

Great service!Great service, activating it was a bit tough but customer service was very helpful and had me sorted out in a few hours. Would definitely use this service again while traveling in Asia.

Very good and responding customer serviceVery fast replies and reactions on my esim cards issue. Very good customer service. After adjusting the right data provider all worked perfect.

Amazing very helpful teamThe team was very helpful. They provided detailed instructions and photos guiding setting up my eSIM card. I had internet access throughout my trip in Japan even in little towns.

Frequently asked questions

Customer Reviews

Customer Reviews

1. Go to [Settings] > [General] > [About] on your device.

2. Look for “Network Provider Lock – No SIM restrictions”:

◦ If you see this, your phone is unlocked. ◦ If not, your phone is locked.

1. Go to [Settings] > [Connections] > [Mobile networks] on your device.

2. Select [Network operators]:

◦ If multiple networks appear, your phone is likely unlocked. ◦ If only one network appears or you cannot find the option to search networks, your phone is likely locked to the carrier.

1. Go to [Settings] > [Network and Internet] > [Internet] on your device.

2. Select your SIM > [Automatically Select Network]:

◦ If multiple networks appear, your phone is likely unlocked. ◦ If only one network appears or you cannot find the option to search networks, your phone is likely locked to the carrier.

Do you still buy eSIM after you land in Airport ?
Get online in just 5 minutes and be ready ahead of time.

Do you still buy eSIM after you land in Airport ?
Get online in just 5 minutes and be ready ahead of time.

All our plans include
these benefits

Unlimited at
Max Speed

Nationwide
Coverage

Free Mobile
Hotspot

Free au
WiFi Zone

Translate a text on Google Translate
Watch videos on Youtube
Search routes on Google Maps
Send a text message on WhatsApp
Call a taxi from Uber

Our Promise
24/7 Personalized Support

Has the best and most reliable Customer Service
My first time using eSIM and eSIM Japan and I couldn’t be happier. Customer Service got back to me instantly everytime I had to contact them for help. All around 5-star experience.

Easy to install
Great experience. Customer service was clear and fast. I had questions about the eSIM I bought and they were friendly and helpful.

Great service!
Great service, activating it was a bit tough but customer service was very helpful and had me sorted out in a few hours. Would definitely use this service again while traveling in Asia.

Very good and responding customer service
Very fast replies and reactions on my esim cards issue. Very good customer service. After adjusting the right data provider all worked perfect.

Amazing very helpful team
The team was very helpful. They provided detailed instructions and photos guiding setting up my eSIM card. I had internet access throughout my trip in Japan even in little towns.

◦ If you see this, your phone is unlocked.
◦ If not, your phone is locked.

◦ If multiple networks appear, your phone is likely unlocked.
◦ If only one network appears or you cannot find the option to search networks, your phone is likely locked to the carrier.

◦ If multiple networks appear, your phone is likely unlocked.
◦ If only one network appears or you cannot find the option to search networks, your phone is likely locked to the carrier.