- For those considering
- First Contract
- Switching from another company
- For current users
- Switching models
- Applying for a second or subsequent line
We will guide you through various contracts with Y!mobile, MNP, etc.!
We will guide you through the procedures for signing a new contract with Y!mobile.
See how to apply for a new contract
This page provides information on the procedures for existing customers changing to a new model.
See how to change your phone model
We will guide you through the procedure for transferring your current phone number to Y!mobile.
See how to apply for MNP transfer and number transfer
We will guide you through the procedures for switching from Y!mobile to another company (MNP), switching from Y!mobile SoftBank LINEMO (number porting), and cancellation.
See how to transfer or cancel your contract
This page provides information on how to cancel contracts for individual customers who have signed contracts at stores or online.
View details of contract cancellation
We will guide you through the documents that you need to submit when signing a new contract or completing various procedures.
We will guide you through the procedures at Y!mobile.