Are you interested in NTT docomo Hikari?
Navigating the service can be complicated, especially since the website is mainly in Japanese.
Don’t worry—this article will break everything down for you, from connection speeds and pricing to English support options.
🔍In This Guide
Related Article
For those who want to read about the best internet services, check out the following article. We compared a variety of internet services including, but not limited to docomo Hikari here:
1. What is NTT docomo Hikari?
NTT docomo Hikari is a high-speed fiber internet service offered by NTT docomo, a leading telecommunications company in Japan.
It utilizes FLET’S Hikari infrastructure, ensuring extensive coverage and stable connections across the country.
Outline of NTT docomo Hikari
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| URL | https://www.docomo.ne.jp/english/hikari/ |
| Fees (tax incl.) | Initial Fees (Installation fee + Registration fee)
Monthly fees
|
| Maximum Connection Speed (In theory) | 10 Gbps Plans:
1 Gbps Plans:
|
| Average Connection Speed (Actual) | Upload: 352.12 Mbps Download: 414.2 Mbps |
| Allocated Data | Unlimited |
| Minimum Contract Period | 2 years (If you cancel your contract early, you will be charged 5,500 JPY for the Single-Family House Plan and 4,180 JPY for the Apartment Plan) |
| English Support | Customer service over the phone available in English English website available, but limited services |
| Covered Area | Nationwide |
| # of Installations | 1 |
※Average connection speeds as recorded on the website Minsoku on April 17th, 2025.
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2. Plans and pricing
NTT docomo Hikari offers various plans to cater to different needs:
Initial Fees (incl. tax)
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| Plan Type | Installation Fee | Contract |
| Type A/B/Single | 22,000 JPY | 3,300 JPY |
| Type C (Single-Family) | 19,800 JPY | |
| Type C (Apartment) | 16,500 JPY |
Monthly Fees (incl. tax)
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| Plan Type | Monthly Fee (tax incl.) |
| 1 Gbps (Apartment) | From 4,400 JPY |
| 1 Gbps (Single-Family) | From 5,720 JPY |
| 10 Gbps (Both Types) | From 6,380 JPY |
Note: Monthly fees are determined by the type of installation and the speed of your internet. For example, an apartment may have a detached house installation, so it will be charged the detached house rate.
Pricing may vary slightly depending on your setup, so it’s best to confirm with the official NTT docomo Hikari website or your chose service provider for the most accurate information.
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3. Connection speeds and allocated data
Below are the connection speeds and data limits for NTT docomo Hikari.
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| Plan | Maximum Connection Speed (In theory) | Average Connection Speed (Actual) | Allocated Data |
| 1 Gbps | Upload/Download: 1 Gbps |
| Unlimited |
| 10 Gbps | Unlimited | (Depends on location & provider) |
※The average speeds are numbers as of April 17, 2025. (Minsoku does not specify between 1 Gbps and 10 Gbps plans for average speed data for NTT docomo Hikari).
Data taken from: Minna no Netto Kaisen Sokudo (みんなのネット回線速度).
Connection Speeds
NTT docomo Hikari offers high-speed internet, but actual speeds may vary depending on factors such as location, network congestion, and equipment used.
For a more accurate idea of the speeds you can expect, it’s a good idea to check reviews from current users.
Experience 10 Gbps with Sakura Fiber Internet
While NTT docomo Hikari offers a 10 Gbps plan, availability may vary depending on the provider.
Sakura Mobile offers a 10 Gbps fiber internet plan, providing unbeatable speed and reliability for all your devices.
Sign up today and elevate your internet with Sakura Mobile’s fast, reliable connectivity!
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4. Coverage
NTT docomo Hikari uses Japan’s largest fiber-optic network, “NTT FLET’S Hikari.”
| Coverage | Over 90% of Japan |
| Prefectures Covered (10 Gbps Plan) | NTT East: Hokkaido, Miyagi, Fukushima, Chiba, Saitama, Tochigi, Gunma, Ibaraki, Tokyo, Kanagawa, Niigata, Nagano, Yamanashi, Aomori, Iwate, Akita, Yamagata NTT West: Gifu, Shizuoka, Aichi, Mie, Shiga, Kyoto, Osaka, Hyogo, Nara, Wakayama, Hiroshima, Okayama, Ehime, Fukuoka, Saga, Kumamoto, Kagoshima, Miyazaki |
| Note | One of the most widespread services available. |
Want to learn more about NTT FLET’S Hikari? Read our other blog!
What is NTT FLET’S Hikari Internet? | Things to Know Before Applying
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5. English support
While docomo offer limited English support…
- Website: Partially in English
- Customer Service: English via phone only
- Application & Billing: Japanese
If you’re not fluent in Japanese, applying, setting up, and troubleshooting can be difficult.
🌟Sakura Mobile is the Choice for English Speakers!🌟
If you’re not fluent in Japanese, getting fiber internet may be challenging.
Sakura Fiber Internet provides full English support. From application and account management to installation. We assist with building management approval and translation for NTT technicians, helping ensure a smooth setup.
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6. Reviews
Good Reviews
Good Customer Service
キター‼️
直ったー‼️
WiFi
買い物中
NTTから電話
今近くなので
ついでにって
ありがとう😭
#docomo光
#やっと治った pic.twitter.com/BG7gV4eJtm— kyoko (RN 南国の蒼空) (@Kyoko19773109) August 27, 2023
“…WiFi is fixed!…They said they’d come over as they were nearby. Thank you.”
Bad Reviews
Service Down
マンションの光回線が切れてる！
コードを抜き差ししても電源入らない。#NTTdocomo光— Ree(バニラ&トラ&サクラ) (@baniratora) January 13, 2025
“The fiber optic line in my apartment is down! I can’t get it to turn on even if I unplug and plug in the cord.”
Equipment Issues
朝起きたらWi-Fi繋がらなくて
問い合わせしたら機械の故障らしい
昨日まで普通に使えてたのにー#docomo光#Wi-Fi— nappy (@nappy8888) October 12, 2024
“When I woke up this morning, I couldn’t connect to Wi-Fi, so I inquired and was told it was a machine malfunction. It was working fine until yesterday.”
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7. From Application to Use
The image above is the process from application to use.
Applying for NTT docomo Hikari requires several steps that may be confusing.
This is especially true for non-Japanese speakers, as applications and website information are provided mainly in Japanese. You also need to manually configure your router, computer, and provider settings—something that can be tricky without English support.
📆Setup Timeline: From the time your application is confirmed, it typically takes about a week to complete setup for the docomo Hikari 1 GB plan..
For docomo Hikari 10 GB, it will most likely take 1.5 months, depending on availability and your location.
Get All-in-One Service!
With Sakura Mobile’s 10 Gbps Fiber Plan, enjoy the same speeds and reliability for all your online needs without multiple contracts!
We provide ISP, NTT connection, modem, and router!
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8. Summary: Pros & Cons of NTT docomo Hikari
Pros
- Wide range of coverage across Japan via NTT’s FLET’S Hikari network.
- Reliable and stable internet connection speeds.
- Unlimited data usage.
Cons
- 2-year contract with an early termination fee.
- Most services and documents are in Japanese.
- Setup timeline: Usually, 1-2 weeks (longer for 10 Gbps plans).
- Requires selecting and signing up with a separate provider.
Don’t Be Left Stranded!
Sign up with Sakura Mobile’s fiber internet.
Our installation generally takes about 7 days to 1 month, however, in the meant time you can receive a rental Pocket Wi-Fi until your installation date.
This way, you’re never without internet!
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9. Looking for fiber internet as an international resident in Japan
If you’re worried about confusing contracts, lack of English support or getting stuck in long-term commitments, but still want the fast internet, check out Sakura Mobile!
🌸Why Choose Sakura Fiber Internet?🌐
✅Fast Internet: Max connection speed of 10 Gbps.
✅No Long-Term Contract: Cancel anytime after the first month.
✅Easy Setup: We assist with the installation, building approval, and more!
✅Flexible Payment Options: Foreign issued credit cards and convenience sore payments accepted.
✅Competitive Pricing: 6,480 JPY/month includes English support + flexibility.
You’ll pay slightly more than docomo, but in return, you get peace of mind, flexibility, and full English support.
Can’t Get Fiber Internet?
Sakura Mobile Home Wi-Fi has you covered!
Whether you’re living in an apartment, dorm, or a place where fiber isn’t available, Sakura Mobile Home Wi-Fi is a reliable alternative that fits your lifestyle.
No complicated setup, no waiting.
Stay connected wherever you call home.
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