When setting up an eSIM for a trip to Japan, you may encounter issues such as "Data roaming not displayed" "Cannot find the settings"
The location where data roaming is displayed may vary depending on the device, such as iPhone or Android, the OS version, and the SIM or eSIM being used.
In this article, we will clearly explain the main reasons why data roaming may not be displayed and the points to check when using an eSIM.
Main Reasons Why Data Roaming Is Not Displayed
If data roaming is not displayed, the following reasons may be considered.
| Possible Causes | What to Check |
|---|---|
| Incorrect eSIM selected | Select the eSIM for use in Japan |
| eSIM is disabled | Check if the eSIM line is turned on |
| Display location is different | Check mobile communication and SIM settings |
| Device or OS specifications | Check the manufacturer's setup method |
| Carrier-side settings | Check the usage guide from the eSIM provider |
First, do not assume it is a malfunction; check the settings of the eSIM and mobile communication in order.
First, Check If the eSIM You Are Using Is Selected
On dual SIM compatible smartphones, multiple SIMs or eSIMs may be registered.
If you are checking a different line, you may not find the desired data roaming settings. First, please check if you have selected the eSIM you will use for your trip to Japan.
- Open "Settings" on your smartphone
- Open "Mobile Data" or "SIM" etc.
- Select the eSIM for Japan
- Check if the line is enabled
- Check the data roaming item
The actual item names and display locations may vary depending on the model and OS.
If Data Roaming Is Not Displayed on iPhone
On iPhone, after selecting the line you are using, you may be able to check data roaming from the mobile data settings screen.
If it is not displayed, check the following points.
- Is the eSIM you are using turned on?
- Are you selecting the correct line?
- Is iOS up to date?
- Has the eSIM been added correctly?
The settings screen may change depending on the iOS version, so please check according to the display on your device.
If Data Roaming Is Not Displayed on Android
On Android, the names and structure of the settings screens vary by manufacturer.
You may be able to check the settings for the eSIM you are using from items such as "Network & Internet," "Connections," "Mobile Networks," or "SIM Manager."
- Google Pixel
- Samsung Galaxy
- Xiaomi
- OPPO
- AQUOS
Even within the same Android, the operation procedures may differ, so also check the setup guide from the device manufacturer and eSIM provider.
Is It Necessary to Turn Data Roaming On?
It is not always necessary to turn it on for all eSIMs. The required settings vary depending on the eSIM service you are using.
For travel eSIMs for Japan, there are types that require data roaming to be turned on. If you are instructed to turn on roaming from the purchased eSIM, please follow those steps to set it up.
If there are no instructions, it is recommended to check the setup guide from the provider instead of changing the settings on your own.
If Data Roaming Is Not Displayed and You Cannot Connect
Not only data roaming but also other communication settings may be causing the issue.
- Check if airplane mode is turned off
- Check if the eSIM is enabled
- Select the correct eSIM for mobile data
- Check the APN settings (if necessary)
- Restart your smartphone
- Check the communication area
If you still cannot connect, contact the provider's support before deleting the eSIM. Depending on the eSIM, you may not be able to reinstall it from the same QR code after deletion.
Frequently Asked Questions
Is it a malfunction if data roaming is not displayed?
It is not necessarily a malfunction. The display location and setup method for data roaming vary depending on the device model, OS, and the SIM or eSIM being used. First, check if you have selected the correct eSIM.
I cannot find the data roaming item on my eSIM.
If you have registered multiple SIMs or eSIMs, you may be opening the settings screen for a different line. Please select the eSIM you will use for your trip to Japan and check the mobile communication or mobile network settings.
Do I have to turn on data roaming?
No. The required settings vary depending on the eSIM service. If you are instructed to turn on data roaming, please follow the setup steps from the provider.
What should I do if data roaming is not displayed on my iPhone?
First, check if the eSIM you are using is enabled and if you are selecting the correct line. Also, the display of the settings screen may differ depending on the iOS version. Check the device's settings screen along with the guide from the eSIM provider.
Data roaming is not displayed on Android.
On Android, the names and display locations of the settings screens differ by manufacturer, such as Google Pixel, Galaxy, Xiaomi, OPPO, and AQUOS. Please check the settings for the eSIM you are using from items like "Mobile Networks," "SIM," or "Connections."
Data roaming is not displayed, and I cannot connect to the internet.
Other settings may be causing the issue. Check if the eSIM is enabled, if the correct eSIM is selected for mobile data, and if APN settings are needed.
Will I incur high charges if I turn on data roaming?
It depends on which line you are using for data communication. If you are using a travel eSIM, make sure that the travel eSIM is selected for mobile data communication. If you use your regular SIM for international roaming, additional charges may apply depending on your contract.
What if I cannot find data roaming even after checking the settings?
Please check the setup guide from the device manufacturer or eSIM provider. If you cannot connect, it is smooth to contact the support of the eSIM service after confirming the device name, OS version, and current settings.
Conclusion
Even if data roaming is not displayed, it does not necessarily mean there is a problem with your smartphone or eSIM. The display location may differ depending on the device and OS, and the settings may change depending on the line being used.
- Select the eSIM you will use for your trip to Japan
- Check if the eSIM is enabled
- Check mobile communication and SIM settings
- Only turn on data roaming if necessary
- If you cannot connect, check other settings like APN
- If there is no improvement, contact the provider's support
If you are using an eSIM for Japan, it is reassuring to check the setup guide for the purchased service in advance. To ensure you can connect immediately upon arrival in Japan, check the necessary settings before your trip.
