Telecom/IT

Smartphone Contract

Master the Japanese you need for Smartphone Contract in natural keigo. Scene-by-scene flow · NG examples · politeness levels · 9-language parallel translations

Synergia Editorial Team

This page helps foreign residents and long-term visitors handle "Smartphone Contract" with daily Japanese phrases for living in Japan, practical examples, and common mistakes to avoid.

What this page helps you say in Japan

This page focuses on Smartphone Contract and teaches useful Japanese phrases for daily life in Japan, including natural replies, polite alternatives, and practical wording for foreigners living in Japan.

What You'll Learn on This Page

Convey your intention to sign a new contract
Consultation on plan and data amount
Presentation of identity verification documents
Select payment method
How to check and decline options

Practice Phrases (10 Total)

新規でスマホを契約したいのですが

しんきでスマホをけいやくしたいのですが

I'd like to sign up for a new smartphone contract.

POINTClearly communicate the purpose of the contract

データ通信量は月20GBくらいで十分です

データつうしんりょうはつきにじゅうギガくらいでじゅうぶんです

About 20GB per month is enough for me.

POINTCommunicate usage clearly

在留カードとパスポートを持参しました

ざいりゅうカードとパスポートをじさんしました

I brought my residence card and passport.

POINT2 points of identification are certain

在留期間は3年以上あります

ざいりゅうきかんはさんねんいじょうあります

My residence period is over 3 years.

POINTImportant in relation to contract period

クレジットカードか口座振替、どちらでも可能ですか

クレジットカードかこうざふりかえ、どちらでもかのうですか

Can I pay by credit card or bank transfer?

POINTForeign cards may not be accepted

通話はあまり使わないので、データ重視のプランが良いです

つうわはあまりつかわないので、データじゅうしのプランがよいです

I don't use calls much. I prefer a data-focused plan.

POINTConvey your requests specifically

テザリングは無料で使えますか

テザリングはむりょうでつかえますか

Can I use tethering for free?

POINTMay be a paid option

オプションは今回は付けなくて大丈夫です

オプションはこんかいはつけなくてだいじょうぶです

I don't need any options this time.

POINTPolitely decline unnecessary options

解約する場合の違約金はありますか

かいやくするばあいのいやくきんはありますか

Is there a cancellation penalty?

POINTConfirmation required even after the 2-year bond is lifted

開通までどれくらいかかりますか

かいつうまでどれくらいかかりますか

How long does activation take?

POINTSame day to several days, depending on model and inventory

Frequently Asked Questions

Q. What documents are required for a foreigner to sign a smartphone contract?

A. Residence card, passport, credit card or Japanese bank account, seal (or signature). In some cases, a resident card may be required.

Q. What is the difference between cheap SIM and major carriers?

A. Cheap SIMs are cheap at around 2,000 to 3,000 yen per month, but they have the disadvantages of slower speeds during busy hours and less store support.

Q. Can I sign a contract even if my period of stay is short?

A. Major carriers generally require a period of stay of 90 days or more. Some companies, such as Rakuten Mobile, have flexible terms.

Q. Can I use overseas credit cards?

A. NG in many cases. A Japanese-issued credit card or Japanese bank account is required. First, create a debit card or account.

Q. Is there still a contract period?

A. It was almost abolished with the 2019 law amendment. The maximum penalty amount is also 1,000 yen or less. However, please check the plan discount conditions.

Smartphone Contract

What this page helps you say in Japan

What You'll Learn on This Page

Practice Phrases (10 Total)

Frequently Asked Questions

Other Pages in This Pack

Japanese for work

daily life