요금제 변경
プラン変更 / 料金プラン変更 puran henkō
Changing your pricing plan while staying with the same carrier or brand group. Not the same as MNP.
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Cancellation / early-termination fee契約解除料／解約料keiyaku kaijo-ryō / kaiyaku-ryō
A charge that may apply when a newly opened line is cancelled within a defined period (often 12 months). Rules differ by plan and contract start date; device installments, options and same-month cancellation charges are separate.
Carrier emailキャリアメールkyaria mēru
An email address given by a mobile carrier, such as @docomo.ne.jp, @au.com / @ezweb.ne.jp or @softbank.ne.jp.
Contract change契約変更keiyaku henkō
A broad term for changing the details of an existing contract — plan, options, name, or payment method.
Device upgrade機種変更kishu henkō
Getting a new device while staying with your carrier and keeping your number.
전력 재공급 / 사이텐再点saiten
일반적으로 새로운 입주 계약의 일환으로 중단된 공급 지점에서 전기를 다시 사용할 수 있도록 합니다.