


This may vary depending on the OS version and model.
We will guide you through how to set up your eSIM after you apply for it on the online store.
Using the app, you can easily download the eSIM profile and configure settings for communication.
Connect to Wi-Fi, install the app, and follow the instructions to activate.
From the App Store
download
From Google Play
download
After completing your eSIM application at the online store, you will receive an email with the subject "【Y!mobile Online Store】eSIM Usage Procedure Notification." Click on the URL in the email to proceed to the "Activation Procedure."
Select how you would like to receive the one-time password for downloading your eSIM profile.
Please choose from "Receive via registered email address" or "Receive via automated voice call" to receive your one-time password (6 digits).
Enter the one-time password you received to display the QR code.
Please follow the steps below.
Please perform the operation on the model you will be using the eSIM on.
Note
If the OS version is "iOS16 or later", the following screen will be displayed.
Tap "Continue".
If you see "Connecting to network...", the profile has already been downloaded.
Please proceed to the next STEP.
If you see the message "Failed to activate eSIM" while setting up your eSIM, please follow the steps below.
Please do not delete your mobile plan. You will no longer be able to use Y!mobile eSIM.
If you have SIM cards inserted, you will need to select which SIM to use as the default.
Follow the instructions on the procedure screen to proceed with the line switching procedure.
If the following screen appears, tap [Switch line].
Once you complete the procedure, the switch will be completed in about 15 minutes.
Once you receive the "Registration Complete" email, please restart your device.
Once you switch lines, you cannot switch back to the original line.
・If your MNP reservation number has expired, you will not be able to switch lines.
To use packet communication, you will need to set up an APN (access point).
If you have completed all the steps to set up your eSIM but are still unable to communicate, please check the following:
First, try restarting your device.
If the eSIM profile has not been downloaded, please download it again by going through the activation process.
If you have already downloaded an eSIM profile, do not delete it.
If the SIM lock is not removed, you can unlock the SIM lock by going to the website or store of the mobile phone company where you purchased the device. For details, please see the SIM unlocking method page.
If your MNP reservation number has expired, you will need to obtain a new MNP reservation number from your original carrier.
How to obtain an MNP reservation number
Once you have obtained your reservation number again, please call the Y!mobile Online Store office before switching your line.
TEL: 0800-111-4666
※Japanese Only
Reception hours: 10:00 - 19:00 (open all year round)
If you wish to continue using your current phone number with Y!mobile, please follow the steps in "Activate your line/switch your line (STEP 3 above)" after downloading the eSIM profile.
Please follow these steps to download in the following cases:
Note
If the OS version is "iOS16 or later", the following screen will be displayed.
Tap "Continue".
If you see "Connecting to network...", the profile has already been downloaded.
Please proceed to the next STEP.
If you see the message "Failed to activate eSIM" while setting up your eSIM, please follow the steps below.
Please do not delete your mobile plan. You will no longer be able to use Y!mobile eSIM.
Follow the instructions on the procedure screen to proceed with the line switching procedure.
If the following screen appears, tap [Switch line].
Once you complete the procedure, the switch will be completed in about 15 minutes.
Once you receive the "Registration Complete" email, please restart your device.
Once you switch lines, you cannot switch back to the original line.
・If your MNP reservation number has expired, you will not be able to switch lines.
To use packet communication, you will need to set up an APN (access point).
Please be careful not to make any mistakes, such as using periods (.) or commas (,).
name | Y!mobile APN |
copy |
---|---|---|
APN (Access Point) | plus.acs.jp | copy |
Username | ym | copy |
password | ym | copy |
MCC | 440 | copy |
MNC | 20 | copy |
Authentication Type | CHAP | copy |
MMSC | http://mms-s | copy |
MMS Proxy | andmms.plusacs.ne.jp | copy |
MMS Port | 8080 | copy |
APN Type | default,ia,mms,supl,hipri | copy |
If you have completed all the steps to set up your eSIM but are still unable to communicate, please check the following:
First, try restarting your device.
If the eSIM profile has not been downloaded, please download it again by going through the activation process.
If you have already downloaded an eSIM profile, do not delete it.
If the SIM lock is not removed, you can unlock the SIM lock by going to the website or store of the mobile phone company where you purchased the device. For details, please see the SIM unlocking method page.
If your MNP reservation number has expired, you will need to obtain a new MNP reservation number from your original carrier.
How to obtain an MNP reservation number
Once you have obtained your reservation number again, please call the Y!mobile Online Store office before switching your line.
TEL: 0800-111-4666
※Japanese Only
Reception hours: 10:00 - 19:00 (open all year round)
If you wish to continue using your current phone number with Y!mobile, please follow the steps in "Activate your line/switch your line (STEP 3 above)" after downloading the eSIM profile.