Hướng dẫn

Mobile Services in Japan

A neutral map of the main networks, their online-focused plans, sub-brands, and low-cost SIMs.

Menu, nhãn và nội dung hướng dẫn có sẵn bằng ngôn ngữ đã chọn. Tên nhà mạng, tên gói cước và các tên riêng khác có thể được giữ theo cách viết chính thức.

Kiểm tra lần cuối: 2026-08-29 (JST)Cách đăng ký và tùy chọn hỗ trợ có thể thay đổi. Luôn kiểm tra thông tin chính thức mới nhất trước khi đăng ký.

Neutral by designThis site does not rank carriers or recommend one. The aim is to show how sign-up and support differ, so you can match a plan to how you want to be helped.

Networks (own infrastructure)

DOCOMO (standard)Standard plan

NTT DOCOMO network

Full store procedure

au (standard)Standard plan

au network

Full store procedure

SoftBank (standard)Standard plan

SoftBank network

Full store procedure

Rakuten MobileStandard plan

Rakuten Mobile network (with partner-network roaming in some areas)

Full store procedure

Online-focused plans

ahamoOnline-focused plan

NTT DOCOMO network

Paid store assistance

povo2.0Online-focused plan

au network

No store support

LINEMOOnline-focused plan

SoftBank network

No store support

Sub-brands

UQ mobileSub-brand

au network

Full store procedure

Y!mobileSub-brand

SoftBank network

Full store procedure

Low-cost SIM (MVNO)

Low-cost SIM (MVNO)Low-cost SIM (MVNO)

Rented capacity on a major network — speeds can drop at busy times

Check with the store

“Big carrier” does not mean “full store service”

Network

au network

Coverage and call quality come from here.

Support channel

App, chat and website only. No shop counter.

Where you get help is a separate question from whose network you are on.

Related guides

Sources

Ministry of Internal Affairs and Communications (総務省)
Each carrier's official website