Before issuing your MNP reservation number
Thank you for using Y!mobile.
Before issuing your MNP reservation numberHere are some things you should check.
Important Notices Before You Begin
We will inform you of the precautions to take when transferring your number with MNP!
Please see below for details.
With the exception of some rate plans, charges will not be calculated pro rata for the month of cancellation.
Check whether or not there is a pro rata charge upon cancellation
The model fee will continue to be paid in installments.
Please also check other precautions.
Important points regarding MNP porting
Other notes
Regarding various fees
- If you cancel during the period in which the "Monthly Discount" is applied, the "Monthly Discount" will end with the month prior to the month in which the cancellation date falls.
Regarding moving out procedures
- If payment of the usage fee cannot be confirmed, the procedure cannot be completed.
- Once you complete the application process with your new mobile phone company, Y!mobile contract will be canceled.
- We will not notify you when the cancellation procedure is complete.
- The validity period of the MNP reservation number is 15 days, including the reservation date. The reservation will expire after the MNP reservation validity period has passed.
If you wish to re-acquire your MNP reservation number after the validity period has expired, please re-acquire it using the same method.
- You can apply for the dedicated Y!mobile to SoftBank transfer website without an MNP reservation number, so there is no need to issue an MNP reservation number.
About Y!mobile consolidated payment
- You will not be able to continue using SoftBank / Y!mobile consolidated payment.
- If you wish to continue paying for the service you are currently using, please check with the service provider for other payment methods and how to change your payment method.
About other services
- My Y!mobile will only be available for viewing for 90 days after cancellation.
*If you switch to SoftBank (MNP), you will no longer be able to access My Y!mobile from the day your contract is cancelled. - Depending on your usage status, LYP Premium and other services may be cancelled. Please check the individual service pages for details.
- @yahoo.ne.jp email addresses will no longer be available.
- If you use Osaifu-Keitai, please transfer and delete your data yourself. For details, please contact your service provider.
Home Discount Hikari Set (A)
To current subscribers
please note
If you transfer to another company,With fixed line
Set discounts are not available.
If you wish to cancel SoftBank Hikari or Air,
A cancellation fee may apply.
Please consider changing your device.
If you experience these symptoms, please consider changing your model.
Battery drains quickly
The device heats up quickly
The battery life may be...
OS update
I can't
Unavailable apps
Not only does it come out
There are also security concerns...
Smartphone or browser
Slow movement
The processing power of the smartphone
There may not be enough…
Slow connection speed
Latest communication speeds
It may not be compatible...
Recommended models are here
- *1 Fast charging supports up to 67W for SUPERVOOC™ and up to 55W for PPS. Customers must bring their own fast charging compatible charger.
- *2 Comparison with OPPO Reno9 A.
MNP procedure flow
If you are switching carriers (MNP), you will need to issue a reservation number through Y!mobile and then complete the new subscription process at your new carrier.
How to issue an MNP reservation number
In order to issue a reservation number, the contract holder must complete the procedure themselves.
Online Procedures
You can complete the procedure on My Y!mobile. You can also check the cancellation fees before completing the procedure.
We recommend you apply online to avoid waiting times.
Reception hours: 0:00 to 24:00 (open all year round)
New subscription procedures with other companies
After issuing the MNP reservation number, you will need to complete the new subscription procedure with another company. Once you have signed a contract with another company, Y!mobile will be automatically cancelled.
Please contact the mobile phone company to which you are transferring to for information on how to apply for a new contract with another company.