Frequently Asked Questions

Find answers to common questions about 3Mintel’s connectivity services, including eSIM, SIM, Pocket WiFi, Fixed WiFi, setup, usage, and connection support.

If you cannot find the information you need, please refer to our Setup Guides, Troubleshooting section, or contact the 3Mintel support team directly.

eSIM FAQs

What is an eSIM?

An eSIM is a digital SIM built directly into a compatible device, allowing users to set up mobile service without using a physical SIM card.

How do I know if my device supports eSIM?

eSIM compatibility depends on the device model, device version, and whether the device is carrier-locked.

We recommend checking your device specifications or mobile network settings before registering for the service.

How do I install an eSIM?

In most cases, an eSIM can be installed by scanning the QR Code provided after service registration and following the instructions displayed on your device.

View Setup Guide →

Can I install my eSIM before arriving in Japan?

You may be able to install your eSIM before your trip if the instructions for your service plan allow it.

However, the activation time or start of service may vary depending on the plan, so please check the instructions provided with your eSIM.

Do I need to enable Data Roaming when using an eSIM?

Some eSIM services require Data Roaming to be enabled in order to use mobile data.

Please follow the instructions provided for your specific service plan.

Should I delete my eSIM if I cannot connect to the network?

Do not delete the eSIM before checking the cause of the issue or receiving instructions from 3Mintel.

Some eSIM QR Codes may only be usable once.

SIM FAQs

Who is a physical SIM suitable for?

A physical SIM is suitable for customers whose devices do not support eSIM or who prefer to use a traditional physical SIM card.

Why is my device not detecting the SIM card?

Possible causes may include incorrect SIM insertion, device compatibility, or a carrier lock.

Please check the SIM card and refer to the Troubleshooting section for further guidance.

View Troubleshooting →

Pocket WiFi FAQs

What is Pocket WiFi?

Pocket WiFi is a portable WiFi device that creates a private wireless network, allowing multiple devices to access the Internet at the same time.

Can Pocket WiFi connect multiple devices at the same time?

Yes. Pocket WiFi can share an Internet connection with multiple devices simultaneously.

The maximum number of connected devices may vary depending on the device and service being used.

Who is Pocket WiFi suitable for?

Pocket WiFi is suitable for travelers, business travelers, families, groups, and users who need Internet access on multiple devices while on the move.

Fixed WiFi FAQs

What is Fixed WiFi?

Fixed WiFi is a home Internet solution for customers who need stable, long-term Internet access at their residence in Japan.

Who is Fixed WiFi suitable for?

The service is suitable for foreign residents living in Japan long term, people working or studying from home, households, and customers who need regular Internet access across multiple devices.

What infrastructure does 3Mintel’s Fixed WiFi service use?

3Mintel’s Fixed WiFi service uses NTT Hikari infrastructure.

Setup & Connectivity FAQs

Why can’t I access the Internet after completing the setup?

Common causes may include:

Mobile Data is not turned on
Data Roaming is not enabled when required
The wrong SIM/eSIM is selected for mobile data
APN settings are incorrect
The device has not connected to the network

View Troubleshooting →

What is an APN and why do I need to configure it?

APN stands for Access Point Name. It is a configuration setting that allows your device to connect to a mobile data network.

In some cases, users need to enter the correct APN information provided in order to access the Internet.

Where can I find APN setup instructions?

3Mintel provides APN configuration guides for both iOS and Android in the Setup Guides section.