If you want to connect your laptop or tablet to the internet while traveling in Japan, you may be wondering, "Can I use tethering with a Japan eSIM?" "Is there an additional fee?"
Many Japan eSIMs allow tethering (internet sharing). You can use your smartphone as a Wi-Fi router, allowing your computer, tablet, gaming console, and more to connect to the internet.
However, some eSIM plans may not support tethering or may have limitations on usage capacity. This article will explain in detail how to use tethering with a Japan eSIM and the points to be aware of.
Can you use tethering with a Japan eSIM?
In conclusion, many Japan eSIMs allow tethering.
You can share the mobile data connection of the eSIM installed on your smartphone with other devices via Wi-Fi, Bluetooth, or USB.
For example, you can use it with the following devices.
- Laptop
- Tablet
- iPad
- Gaming console
- Second smartphone
However, tethering is not guaranteed with all eSIM plans. Be sure to check the product description before purchasing.
You can check plans for traveling in Japan at Japan eSIM products and pricing plans.
What is tethering?
Tethering is a feature that allows you to share your smartphone's mobile connection with other devices.
Your smartphone acts like a mobile Wi-Fi router, allowing you to connect multiple devices to the internet without needing to carry an additional Wi-Fi router.
There are mainly three types of tethering.
- Wi-Fi tethering (the most common)
- Bluetooth tethering
- USB tethering
Wi-Fi tethering, which is easy to set up while traveling, is recommended.
Benefits of tethering with a Japan eSIM
No need to carry a mobile Wi-Fi
Since you can share the connection using just your smartphone, you won't need to rent or charge a Wi-Fi router.
Multiple devices can be used
You can connect not only your smartphone but also your computer and tablet to the internet simultaneously.
Reduce your luggage
You can reduce your travel luggage since you won't need to carry the mobile Wi-Fi device or charger.
Consolidate your communication environment
You can use multiple devices with one eSIM, so there's no need to swap SIM cards.
How to use tethering on iPhone
- Open "Settings"
- Select "Internet Sharing"
- Turn on "Allow Others to Join"
- Check the Wi-Fi password
- Select Wi-Fi on the device you want to connect
Before tethering, please also confirm that mobile data is set to the Japan eSIM.
For basic eSIM settings, please refer to the eSIM setup guide.
How to use tethering on Android
The screen may differ depending on the Android model, but the general setup method is as follows.
- Open "Settings"
- Select "Network & Internet" or "Connections"
- Open "Hotspot & Tethering"
- Turn on "Wi-Fi Tethering"
- Check the SSID and password
You can use it by selecting that SSID from the device you want to connect and entering the password.
Points to note when using tethering
Check if your plan supports tethering
Some eSIMs may not allow tethering. Be sure to check the product description and support information before purchasing.
Data usage may increase
Using a computer or tablet may consume more data than a smartphone due to activities like video streaming or cloud syncing.
Please check the data usage estimates based on your intended use.
Battery consumption is high
Battery consumption on your smartphone will be faster than usual while tethering. If you plan to use it for a long time, it's a good idea to prepare a mobile battery.
Set a strong password in public places
To prevent unauthorized connections by third parties, it is recommended to change the initial password to a secure one instead of using the default.
Checklist for when tethering is not working
Check if the eSIM is connected
If your smartphone itself cannot connect to the internet, tethering will not work either.
Is mobile data set to the Japan eSIM?
If the main line is selected, it may not be able to connect.
Is data roaming turned ON?
Some travel Japan eSIM plans require data roaming to be turned ON.
Check the APN settings
Android may require APN settings. You can also check the setup method on eSIM support.
Restart the device
Updating the network settings may improve the situation.
If you still cannot connect, please check troubleshooting for when the eSIM cannot connect.
Frequently Asked Questions
Is tethering free?
Many Japan eSIMs can be used without additional fees, but it varies by plan, so please check before purchasing.
Can I use it on a computer?
Yes. It can be used on Wi-Fi-enabled laptops.
How many devices can be connected?
It varies by smartphone model, but generally, 5 to 10 devices can be connected.
Will the connection speed slow down?
Using multiple devices simultaneously may result in slower connection speeds.
Can I use my smartphone while tethering?
Yes. You can use your smartphone for maps, social media, etc., while also tethering.
For other questions, please check the frequently asked questions about eSIM.
Conclusion
Most Japan eSIMs support tethering, allowing you to use the internet on laptops and tablets.
When using it, be sure to check the following points.
- Check if your plan supports tethering
- Select the Japan eSIM for mobile data
- Turn ON data roaming if necessary
- Be mindful of data capacity and battery consumption
- If you cannot connect, check APN and network settings
If you are looking for the best plan for traveling in Japan, please also refer to comparison of Japan eSIM pricing and plans and the complete guide to Japan eSIM.
