A: If the eSIM activation is stuck or your Japanese phone number does not appear, please check the following two settings first:
① Select “Voice & Data” for the plan
Do not select “Data Only.”
② Make sure the eSIM is turned on
Go to:
Settings → Cellular/Mobile Service → SIMs → Use “Travel – docomo” → Turn On
After completing these settings, your Japanese phone number should normally appear.
A: We cannot guarantee successful activation.
A “physical eSIM” is a product that uses a physical SIM card with special technology to provide eSIM-like functionality. It is different from the standard eSIM built into smartphones.
JB Voice eSIM activation requires an EID (32 digits). Depending on the EID’s source, authentication status, or carrier system restrictions, a physical eSIM may encounter an “EID Error” during activation.
Therefore, customers using a physical eSIM may submit an application, but we cannot guarantee successful activation.
⚠️ If activation fails due to an EID-related issue, a reissue fee of ¥2,200 (tax included) will apply.
Once the verification of your passport + proof of address is completed, we will begin the eSIM activation process.
Activation is usually completed on the same day or the following day, between 10:30 and 18:30 Japan Time (JST).
A:
JB Voice eSIM activation will be processed between 10:30 AM and 6:30 PM (Japan Time).
After the activation process is completed, docomo will directly send the “Activate eSIM” notification to the device associated with the EID provided during your application.
When the “Activate eSIM” screen appears, please follow the instructions displayed on your device to complete the eSIM installation and activation.
【iPhone Example】
Open:
Settings ➡ Mobile Service (Cellular) ➡ Tap “Activate eSIM”
Then follow the on-screen instructions to complete the setup.
If the “Activate eSIM” screen does not appear automatically:
📩 Please check the eSIM activation email sent by JB Mobile.
📖 Follow the instructions in the operation manual included in the email to complete the eSIM installation and activation.
⚠️ Notes:
・Please use the device with the EID registered during your application.
・Please make sure your device is connected to Wi-Fi or mobile data to complete the eSIM activation process.
