Click here to apply

※プランを変更いたしました(25GBプラン:2,980円 , 100GBプラン:3,380円)

※ネットワーク品質の維持および公正な電波利用の観点から、著しくネットワークを占有するレベルの大容量通信をされた場合、
該当のお客様に対し通信速度を概ね128Kbpsに制限する場合があります。
また違法ダウンロードなどの不正利用の疑いがある場合、ご利用停止を行う場合があります。
※2ご利用いただくエリアや建物の環境によって電波の届きにくい場所があり通信できない場合が御座います。
※3料金についてはクーポン適応時の価格と費用となります。

Under WELCOME Reiwa campaign Under WELCOME Reiwa campaign

What's Chat WiFi-SIM?

Different from very cheap SIM cards provided by other companies,
which use the subnetworks of major mobile carriers,
Chat WiFi-SIM uses the main network of Softbank.

Unlimited Data Use

with our SIM cards

Unlike other MVNOs, with our SIM cards, 
Internet speed does not slow down significantly when the connection is congested,
so you can use the network comfortably.

What's
a main line?

This is a general line that can be used by subscribing to major mobile carriers (major carriers) such as docomo, au, and Softbank.
Sub lines are cheap SIM companies such as docomo, au, Softbank, etc.

This is a line used by bargain SIMs that rent some of the facilities of major mobile carriers (major carriers).
Chat WiFi uses the main line, so you can use it quickly! !

For those who
Chat Wifi-SIM is recommended

Line speed and speed limit
Those who are worried

High quality image distribution is also available on Instagram and Youtube!
If you use a video distribution service such as hulu for Netfilx
I'm not running out of capacity ...
Do you have such experience?

With Chat WiFi-SIM, you don't have to worry about that because of unlimited capacity!
There is no usage limit of 10GB for 3 days specified by WiMAX.

Cheap smartphones and tablets
Want to have

Nowadays, cheap SIMs are also the norm
It is an era when three major carrier lines can be provided at very low prices.
However, a cheap SIM operator called MVNO
We provide customers with "part of carrier line".
As a result, the speed is slow due to the sub-line, and problems such as not being able to easily see DLs and videos have occurred.
With Chat WiFi-SIM, there is no such problem, and the speed is crisp because it uses the main line of a major carrier! !
We can spend comfortable smartphone tablet life.

Cancellation fees and contract term restrictions
Those who are worried

Generally, there are many restrictions on the contract period, but there is no Chat WiFi-SIM! In addition, there is no cancellation fee, so you can use it with confidence.

Data communication only
 Comparison with unlimited plans

Comparison
Point

Cheap SIM tends to be crowded because there are overwhelming docomo sub lines,
Chat WiFi SIM offers major carriers' main line at this price!

* The main line is a general line that can be used by contracting with a major mobile carrier (major carrier) such as DOCOMO, au or Softbank.
* A sub-line is a line provided by bargain SIM companies at low prices by borrowing some of the facilities of major mobile carriers (major carriers) such as docomo, au and Softbank.

There is no cancellation fee, you can use crispy more easily than other cheap SIMs ♪

Easy 4STEP! Chat WiFi-SIM
Usage flow

From the internet
of
Application
In the shortest same day shipping
Will be sent
SIM card
SIM free terminal
Insert and set
Start using
Start on the day of arrival!

* What is White ROM terminal?
Refers to a mobile phone or smartphone that the user purchases a mobile phone or smart phone that the carrier locks and sells and sells to a second-hand dealer at the expiration of the contract period (two-year tie-down release or terminal bulk purchase). I am.

Fee structure Chat WiFi-SIM
Unlimited plan * 1.

[Product standard]
・ Provided SIM card size: nano sim
・ Size: height 12.3mm x width 8.8mm
【communication speed】
・ Up to 187.5Mbps when receiving
・ Up to 37.5Mbps when transmitting

【月額費用】
25GB SIMプラン:2,980円(税抜)
100GB SIMプラン:3,380円(税抜)
【その他費用】
事務手数料 :3,980円(税抜)
契約期間:なし
解約費用:なし
送料:なし
SIM紛失・故障水没時弁済金:5,000円(税抜)
※自然故障の場合は無償で対応します。

* 1. From the viewpoint of maintaining network quality and fair use of radio waves, if large-capacity communication is performed that remarkably occupies the network, the communication speed may be limited to approximately 128 Kbps for applicable customers. Also, if there is a suspicion of unauthorized use such as illegal download, we may suspend use.

3. By using the bundled SIM adapter
Available in "Standard SIM and micro SIM" size

* 4. Operation is guaranteed for tethering and is not supported.
* 5.Please refrain from sending SMS. If we can confirm the transmission, we will charge a compensation of 5,000 yen.

Option Chat security * First month free

Protect your PC and smartphone from malicious viruses and phishing sites!

500 yen (excluding tax) 500 yen (excluding tax)
  1. 1​ ​Installable on Windows, Mac, Android, iOS
  2. 2​ ​Ultra fast installation in just seconds
  3. 3​ ​Internet browsing protection and real-time phishing protection
  4. 4​ ​Block malicious sites before visiting

Webroot Internet Security Plus is fast and lightweight, and requires no definition file updates due to the industry's first "full cloud technology". We protect our customers' precious personal computers and personal information, and provide our customers with advanced "safety" and reliable "safety".
With the latest information gathered from all over the world, it blocks malware and cyber attacks, and with the password management function,
Secure access to your account for online shopping

Basic specifications

  • Password and login protected
  • Internet browsing protection and real-time phishing protection
  • Multi-device measures
  • Mobile security

* Free for the first month.
* Required when signing up.
* You cannot re-join after canceling.

Learn more about security

FAQ Frequently Asked Questions

  • Q When will SIM be available after applying?

  • Q Do you charge shipping?

  • Q What payment methods are available?

  • Q How to cancel or cancel options
    What should i do?

  • Q How do I return my equipment after cancellation?
    Should I do that ??

  • Q About communication area

  • Q Prorated based on the number of days the monthly fee starts
    Is it possible?

  • Q I do not receive an email when I ask

  • Q Can I cancel?

  • Q What can I do with My Page?

Prepare in advance Before applying
Please prepare

Credit card

ChatWiFi does not perform fund transfers. Please note that debit cards cannot be used.

Email address and
phone number

All applicants need an email address and phone number.

Identity verification department

Please upload one of the following.
Driver's license with current address (both front and back required)
・ Passport (page with your name and photo)
・ Personal number card (My number card)
[Instructions at the time of my number]
* My number card is only on the front
* Notification card for my number cannot be accepted as identification documents

* File size is
It supports up to 3MB (3000KB).

Translated by machine