Telecom/IT

Smartphone Contract

Master the Japanese you need for Smartphone Contract in natural keigo. Scene-by-scene flow ยท NG examples ยท politeness levels ยท 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

Practice Phrases (10 Total)

ๆ–ฐ่ฆใงใ‚นใƒžใƒ›ใ‚’ๅฅ‘็ด„ใ—ใŸใ„ใฎใงใ™ใŒ

ใ—ใ‚“ใใงใ‚นใƒžใƒ›ใ‚’ใ‘ใ„ใ‚„ใใ—ใŸใ„ใฎใงใ™ใŒ

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

POINTClearly communicate the purpose of the contract

ใƒ‡ใƒผใ‚ฟ้€šไฟก้‡ใฏๆœˆ20GBใใ‚‰ใ„ใงๅๅˆ†ใงใ™

ใƒ‡ใƒผใ‚ฟใคใ†ใ—ใ‚“ใ‚Šใ‚‡ใ†ใฏใคใใซใ˜ใ‚…ใ†ใ‚ฎใ‚ฌใใ‚‰ใ„ใงใ˜ใ‚…ใ†ใถใ‚“ใงใ™

About 20GB per month is enough for me.

POINTCommunicate usage clearly

ๅœจ็•™ใ‚ซใƒผใƒ‰ใจใƒ‘ใ‚นใƒใƒผใƒˆใ‚’ๆŒๅ‚ใ—ใพใ—ใŸ

ใ–ใ„ใ‚Šใ‚…ใ†ใ‚ซใƒผใƒ‰ใจใƒ‘ใ‚นใƒใƒผใƒˆใ‚’ใ˜ใ•ใ‚“ใ—ใพใ—ใŸ

I brought my residence card and passport.

POINT2 points of identification are certain

ๅœจ็•™ๆœŸ้–“ใฏ3ๅนดไปฅไธŠใ‚ใ‚Šใพใ™

ใ–ใ„ใ‚Šใ‚…ใ†ใใ‹ใ‚“ใฏใ•ใ‚“ใญใ‚“ใ„ใ˜ใ‚‡ใ†ใ‚ใ‚Šใพใ™

My residence period is over 3 years.

POINTImportant in relation to contract period

ใ‚ฏใƒฌใ‚ธใƒƒใƒˆใ‚ซใƒผใƒ‰ใ‹ๅฃๅบงๆŒฏๆ›ฟใ€ใฉใกใ‚‰ใงใ‚‚ๅฏ่ƒฝใงใ™ใ‹

ใ‚ฏใƒฌใ‚ธใƒƒใƒˆใ‚ซใƒผใƒ‰ใ‹ใ“ใ†ใ–ใตใ‚Šใ‹ใˆใ€ใฉใกใ‚‰ใงใ‚‚ใ‹ใฎใ†ใงใ™ใ‹

Can I pay by credit card or bank transfer?

POINTForeign cards may not be accepted

้€š่ฉฑใฏใ‚ใพใ‚Šไฝฟใ‚ใชใ„ใฎใงใ€ใƒ‡ใƒผใ‚ฟ้‡่ฆ–ใฎใƒ—ใƒฉใƒณใŒ่‰ฏใ„ใงใ™

ใคใ†ใ‚ใฏใ‚ใพใ‚Šใคใ‹ใ‚ใชใ„ใฎใงใ€ใƒ‡ใƒผใ‚ฟใ˜ใ‚…ใ†ใ—ใฎใƒ—ใƒฉใƒณใŒใ‚ˆใ„ใงใ™

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

POINTConvey your requests specifically

ใƒ†ใ‚ถใƒชใƒณใ‚ฐใฏ็„กๆ–™ใงไฝฟใˆใพใ™ใ‹

ใƒ†ใ‚ถใƒชใƒณใ‚ฐใฏใ‚€ใ‚Šใ‚‡ใ†ใงใคใ‹ใˆใพใ™ใ‹

Can I use tethering for free?

POINTMay be a paid option

ใ‚ชใƒ—ใ‚ทใƒงใƒณใฏไปŠๅ›žใฏไป˜ใ‘ใชใใฆๅคงไธˆๅคซใงใ™

ใ‚ชใƒ—ใ‚ทใƒงใƒณใฏใ“ใ‚“ใ‹ใ„ใฏใคใ‘ใชใใฆใ ใ„ใ˜ใ‚‡ใ†ใถใงใ™

I don't need any options this time.

POINTPolitely decline unnecessary options

่งฃ็ด„ใ™ใ‚‹ๅ ดๅˆใฎ้•็ด„้‡‘ใฏใ‚ใ‚Šใพใ™ใ‹

ใ‹ใ„ใ‚„ใใ™ใ‚‹ใฐใ‚ใ„ใฎใ„ใ‚„ใใใ‚“ใฏใ‚ใ‚Šใพใ™ใ‹

Is there a cancellation penalty?

POINTConfirmation required even after the 2-year bond is lifted

้–‹้€šใพใงใฉใ‚Œใใ‚‰ใ„ใ‹ใ‹ใ‚Šใพใ™ใ‹

ใ‹ใ„ใคใ†ใพใงใฉใ‚Œใใ‚‰ใ„ใ‹ใ‹ใ‚Šใพใ™ใ‹

How long does activation take?

POINTSame day to several days, depending on model and inventory

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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.