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Japanese for “Getting a phone plan”
You walk into a mobile phone shop and want to buy a new smartphone plan with a SIM card. The staff member greets you and starts asking about your needs, data usage, and documents.
Sample dialogue
Shop staff
いらっしゃいませ。本日はどのようなご用件ですか？irasshaimase. honjitsu wa dono youna go youken desu ka?
Welcome. What can I help you with today?
You (Customer)
スマートフォンのプランを申し込みたいんですけど。sumaato fon no puran o moushikomitai n desu kedo.
I'd like to apply for a smartphone plan.
Shop staff
かしこまりました。データ量はどのくらいご希望ですか？月3ギガ、10ギガ、20ギガなどがございます。kashikomarimashita. deetaryou wa dono kurai go kibou desu ka? tsuki 3giga, 10giga, 20giga nado ga gozaimasu.
Understood. How much data would you like? We have options like 3GB, 10GB, and 20GB per month.
You (Customer)
毎日使うので、10ギガでお願いします。mainichi tsukau node, 10giga de onegai shimasu.
I use it every day, so 10GB please.
Shop staff
かしこまりました。それでは、在留カードを拝見させていただけますか？kashikomarimashita. soredeha, zairyuu kaado o haiken sasete itadakemasu ka?
Got it. May I see your residence card, please?
You (Customer)
はい、どうぞ。hai, douzo.
Sure, here you go.
Shop staff
ありがとうございます。有効期限は来年の3月ですね。では、お支払い方法はいかがされますか？クレジットカードか銀行口座からの引き落としでございます。arigatougozaimasu. yuukou kigen wa rainen no 3gatsu desu ne. deha, o shiharai houhou wa ika ga saremasu ka? kurejittokaado ka ginkou kouza kara no hikiotoshidegozaimasu.
Thank you. Your expiry date is next March. How would you like to pay—credit card or bank transfer?
You (Customer)
クレジットカードでお願いします。kurejittokaado de onegai shimasu.
Credit card, please.
Shop staff
かしこまりました。月額は税込み3,500円になります。契約期間は2年間でございます。よろしいですか？kashikomarimashita. getsugaku wa zeikomi 3, 500en ni narimasu. keiyaku kikan wa 2nenkandegozaimasu. yoroshii desu ka?
Very well. The monthly fee is 3,500 yen including tax. The contract term is 2 years. Is that okay?
You (Customer)
はい、大丈夫です。hai, daijoubu desu.
Yes, that's fine.
Phrases you can use
データ量はどのくらい希望ですか？でーたりょうはどのくらいきぼうですか？deetaryou wa dono kurai kibou desu ka?
How much data would you like?
Use this when asking about data amount needs in a mobile shop setting.
スマートフォンのデータ量はどのくらい希望ですか？sumaato fon no deetaryou wa dono kurai kibou desu ka?
How much data do you need for your smartphone?
月額は税込み3,500円ですげつがくはぜいこみさん,ごひゃくえんですgetsugaku wa zeikomi 3, 500en desu
The monthly fee is 3,500 yen including tax.
Use when explaining the total monthly cost to a customer.
このプランの月額は税込み2,980円です。kono puran no getsugaku wa zeikomi 2, 980en desu.
This plan's monthly fee is 2,980 yen including tax.
契約期間は2年間ですけいやくきかんはにねんかんですkeiyaku kikan wa 2nenkan desu
The contract term is 2 years.
Use when stating how long a contract lasts.
携帯の契約期間は2年間でございます。keitai no keiyaku kikan wa 2nenkandegozaimasu.
The mobile phone contract period is 2 years.
お支払い方法はいかがされますか？おしはらいほうほうはいかがされますか？
Casual vs polite
Casualクレジットカードでいいkurejittokaadode ii
Politeクレジットカードでお願いします。kurejittokaado de onegai shimasu.
Both mean 'credit card please,' but the casual form sounds like a statement or personal choice, while the polite form is respectful and appropriate for service staff.
Casual月額3,500円だgetsugaku 3, 500en da
Polite月額は税込み3,500円でございます。getsugaku wa zeikomi 3, 500endegozaimasu.
The casual version sounds like you're stating a fact to a friend; the polite version is how staff would formally announce the price to a customer.
Casual有効期限は来年の3月だねyuukou kigen wa rainen no 3gatsu da ne
Polite有効期限は来年の3月ですね。yuukou kigen wa rainen no 3gatsu desu ne.
Casual would be used between friends confirming a date; polite is what a staff member uses when confirming your card details.
Culture tip
When entering a Japanese mobile shop, staff will greet you warmly with いらっしゃいませ and ask your purpose politely. Always bring your residence card (在留カード) or ID when applying for a mobile plan—it's required by law. Staff will carefully check the expiry date and may ask you to sign documents. Showing respect through polite language and listening carefully to their explanations is important.
Ready to say it out loud?
On Tuned you can practice this scene in 3 steps: copy the model, build it up bit by bit, then role-play with an AI partner — at your level.