Asahi Net LTE (ANSIM)｜Asahi Net｜Internet Service Provider in Japan with English Service

All charges shown exclude tax.

"ANSIM" is a low-cost data communication SIM service using NTT docomo's network, which covers all of Japan.
Use it by inserting the SIM card into your smartphone or tablet.
We recommend this service for those who wish to reduce their data charges or have two devices.

Asahi Net is offering this service as a mobile virtual network operator (MVNO) using the network of NTT DoCoMo.

Signup

Have a question?Wish to apply?

0120-577-757

Open Mon-Fri, 10 a.m. to 5 p.m.

Recommended for you!

Use the same traffic volume every day. Easy to manage. Good for your kids to use! | 110MB/day Plan

Devices Checked By Asahi Net

Signup

Have a question?Wish to apply?

0120-577-757

Open Mon-Fri, 10 a.m. to 5 p.m.

Simple signup will only take a minute! Asahi Net's ANSIM is low cost!

Your Asahi Net User ID and password are required.

Call: 03-6631-0861; 0120-577-135 if using a NTT landline.

Call in English!: OpenMon-Fri, 10 a.m. to 5 p.m.

The safe and secure communication network of docomo!

Maximum Speed

LTE connections: max. download 262.5Mbps, max. upload 50Mbps

3G connections: max. download 14Mbps, max. upload 5.7Mbps

NTTdocomo The safe and secure communication network of docomo!

Data Traffic

3 Giga Plan	3GB /month If data traffic reaches 3 GB in a month, the speed will be 200Kbps until the month end.
7 Giga Plan	7GB /month If data traffic reaches 7 GB in a month, the speed will be 200Kbps until the month end.
110MB /day Plan	110MB /day If data traffic reaches 110MB in a day, the speed will be 200Kbps for the rest of the day.

All the above charges exclude tax.
Separately, a per-SIM card Universal Service charge is required.

Roll over unused data and get the most use out of it!

Leftover data can be rolled over so you can use it without losing it.

On the 3 Giga Plan・ 7 Giga Plan	Unused data will be rolled over for the use for the following month. The data rollover can be used until the end of the month.
On the 110MB/Day Plan	Unused data will be rolled over for the use for the following day. The data rollover can be used until the end of the day.

[3GB Monthly Data Plan Rollover Example]

3GB Monthly Data Plan Rollover Example：Unused data will be rolled over for the use for the following month.

Data rollover will begin with the data left over from October 2016.
Data rollover applies to those using the 3 Giga Plan, 7 Giga Plan, and 110MB/Day Plan. No applications or procedures necessary.
The maximum amount of data that can be rolled over into the following month is the maximum amount of data available each month specified by your Data Plan.
Data will be used in the following order: rollover data, additional (charged) data, and then the monthly data volume specified by your Data Plan.
Regarding the 3 Giga Plan and 7 Giga Plan, data that has been rolled over from the previous month will expire on the last day of the current month.
Regarding the 110MB/Day Plan, data that has been rolled over from the previous day will expire at 11:59:59PM in the current day.
Should you change the Data Plan, unused data from the previous plan will roll over and the expiration period of the current plan will be applied.

With Asahi Net, a Fixed IP Address can be used with LTE!

Fixed IP Address

Initial charge: 800 yen

Monthly charge: 800 yen /month ⇒ No Monthly charge in opening month

All the above charges exclude tax.

Usage charges

Monthly Charge

	With Text Messages	No Text Messages
3 Giga Plan	1020 yen /month	900 yen /month
7 Giga Plan	2100 yen /month	1980 yen /month
110MB/day Plan	1020 yen /month	900 yen /month

SMS charges: Sending a domestic (Japan) SMS is from 3 yen to 30 yen per message. Sending an international SMS is from 50 yen to 500 yen per message. There is no charge for receiving messages.

Click here for SMS charge details.

Number of characters sent	Sending charge
Number of characters sent	Send message to destination in Japan (excl. tax)	Send message to destination outside Japan (tax-exempt)
1 to 70 characters (1 to 160 if half-width alphanumeric)	3 yen	50 yen
71 to 134 characters (161 to 306 if half-width alphanumeric)	6 yen	100 yen
135 to 201 characters (307 to 459 if half-width alphanumeric)	9 yen	150 yen
202 to 268 characters (460 to 612 if half-width alphanumeric)	12 yen	200 yen
269 to 335 characters (613 to 765 if half-width alphanumeric)	15 yen	250 yen
336 to 402 characters (766 to 918 if half-width alphanumeric)	18 yen	300 yen
403 to 469 characters (919 to 1071 if half-width alphanumeric)	21 yen	350 yen
470 to 536 characters (1072 to 1224 if half-width alphanumeric)	24 yen	400 yen
537 to 603 characters (1225 to 1377 if half-width alphanumeric)	27 yen	450 yen
604 to 670 characters (1378 to 1530 if half-width alphanumeric)	30 yen	500 yen

No Monthly chargein opening month

Bundle with another connection service and get an additional discount!

Opening month refers to the month of either the day you initiated the connection using the ordered SIM, or alternatively the following 5th day after Asahi Net dispatched the package, whichever earlier. If the ordered SIM contain text message function, the opening month will be the month of the following day after Asahi Net dispatched the package.

Bundle discount for Asahi Net members

Bundle with another Asahi Net connection service and get a discount on the monthly charge! The discounted amount differs depending on the connection service.

Connection Service	Discount
Asahi Net WiMAX 2+	-200 yen /month
Asahi Mobile WiMAX
Neo-Discount Mobile
High-Speed Mobile (Xi & FOMA)	-100 yen /month
Fiber-optic （Asahi Net FTTH with FLET'S etc.）^※1	-50 yen /month

1 The 50 yen /month discount is also applicable with Asahi Net au Hikari Courses, ADSL Courses, the FLET'S ISDN Course, the Mail and Blog Course, Dial-up Courses and the FLET'S Hikari Wi-Fi Access Course. Please note the discount is not applicable when ANSIM is bundled with AsahiNet docomo Hikari.

Initial Charge
<Initial Setup Charge>

3000 yen

Frequently Asked Questions

Is it possible to confirm or increase (charge up) the amount of data traffic?
Both confirming and increasing (charge up) the data traffic is possible.
To confirm the amount of data traffic, log into the Asahi Net My Page and confirm the "Usage details".
- The amount shown will be for the previous day.
- With the 3 Giga Plan and 7 Giga Plan the charge is 500 yen (tax-excluded) /500MB each time charging up occurs.
- With the 110MB/Day Plan the charge is 500 yen (tax-excluded) for unlimited use in the day.
Individual Members MyPage (My Account)
Is is possible to change the SIM card size?

Yes, it is.
There is a SIM card size change handling charge of 3000 yen (tax-excluded) .
Please make your request by calling Asahi Net's English customer support.

Asahi Net's English telephone support and contact information

See more Frequently Asked Questions

The steps to using Asahi Net LTE

Apply

Apply
SIM card delivered in a minimum 3 days

SIM card delivered in a minimum 3 days
Make settings, use the service

Make settings, use the service

Configuration Guide

Done

Precautions

Service Areaarrow

Speeds / Supported Areasarrow

Voice Callsarrow

Application and Payment of Chargesarrow

Change of Planarrow

The SIM Cardarrow

Your Devicearrow

Change, Loss and Replacement of SIM Cardarrow

Cancellationarrow

Recommended optional services

More upgrade options

Ranked No. 1 for customer satisfaction

Asahi Net has for some time achieved no. 1 ranking in many customer satisfaction surveys, being rated highly for "quality", "line stability", "cost", "support" and other factors.