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Price/Specifcations

As of January 20, 2020

Price(TypeD)

 
Minimum Start
Plan
(3GB Bundle)
Light Start
Plan
(6GB Bundle)
Family Share
Plan
(12GB Bundle shared by 3 SIM)
Initial registration fee 3,000yen
(excluding tax)
Monthly fee with Data 900yen
(excluding tax)/month
1,520yen
(excluding tax)/month
2,560yen
(excluding tax)/month
With Data, SMS 1,040yen
(excluding tax)/month
(Monthly basic fee: 900yen + SMS function fee: 140yen)
1,660yen
(excluding tax)/month
(Monthly basic fee: 1,520yen + SMS function fee: 140yen)
2,700yen
(excluding tax)/month
(Monthly basic fee: 2,560yen + SMS function fee: 140yen/SIM)
With Data, SMS, Voice 1,600yen
(excluding tax)/month
(Monthly basic fee: 900yen + Voice Call function fee: 700yen)
2,220yen
(excluding tax)/month
(Monthly basic fee: 1,520yen + Voice Call function fee: 700yen)
3,260yen
(excluding tax)/month
(Monthly basic fee: 2,560yen + Voice Call function fee: 700yen/SIM)

Price(TypeA)

 
Minimum Start
Plan
(3GB Bundle)
Light Start
Plan
(6GB Bundle)
Family Share
Plan
(12GB Bundle shared by 3 SIM)
Package Price 3,000yen
(excluding tax)
Monthly fee With Data, SMS 900yen
(excluding tax)/month
1,520yen
(excluding tax)/month
2,560yen
(excluding tax)/month
With Data, SMS, Voice 1,600yen
(excluding tax)/month
(Monthly basic fee: 900yen + Voice Call function fee: 700yen)
2,220yen
(excluding tax)/month
(Monthly basic fee: 1,520yen + Voice Call function fee: 700yen)
3,260yen
(excluding tax)/month
(Monthly basic fee: 2,560yen + Voice Call function fee: 700yen/SIM)
    [Notes: Common]
  • The services provided by NTTdocomo, such as "i-mode" service and @docomo.ne.jp email address which are provided by NTTdocomo under their retail contract or similar services which are provided by KDDI are not included.
  • The bundled data and monthly fee for the first month of contract are calculated on a prorated basis.
  • A credit card is required for payment.
  • We charge extra "Universal service fee" in addition to the price above.
  • We will charge till at least the month following your service start month, as specified in our terms and conditions.
  • Be aware that whole monthly fee without prorated will be charged for the service termination month.
  • Additionally payable is a SIM card issuance fee of ¥394 for a Type D SIM card or ¥406 for a Type A SIM card (respectively net of tax).
  • [Notes: SIM with Data/SIM with Data,SMS]
  • International roaming is not available.
  • [Notes: SIM with Data, SMS, Voice]
  • If you cancel the SIM using the voice function within 12 months, you will be charged a short-term cancellation fee 1,000 yen. When porting a phone number to another operator (mobile number portability), you will be charged a MNP operating fee in addition to a short-term cancellation fee.
  • Subscribers must be 18 years old or older than 18 years old. If the subscriber is 18 or 19 years old, the consent from a person with parental authority (legal representative) is required.
  • Each customer may subscribe up to five SIMs with voice capability.
  • The following items are required for online sign-up of a new service contract with IIJmio: Credit card owned by a customer / Email address / Identification documents (Residence Card / Driver's License / Passport issued by the Japanese government / etc.)
  • International data roaming is not available. International voice and SMS roaming is only available with the SIM with voice capability.
  • If we regard that a user uses the voice call in a extraordinary manner, voice calls could be restricted or the contract could be terminated. For Instance, Repeating short time calls that deems extraordinary usage;
 
Data option 20GB
Data option 30GB
The large amount of data option (Data option)Monthly fee 3,100yen
(excluding tax)/month
5,000yen
(excluding tax)/month
  • These are optional services that extra amount of bundled data is added every month .Please see the Data option (written in Japanese) for details.
  • Both extra bundled data and fee of these options for the first month are on a prorated basis. The cancellation procedure of these options is not acceptable during the start month. The cancellation of these options will take effect at the end of month you make the cancel procedure. Whole monthly fee without prorating will be fully charged for the termination month of these options.
  • Subscribers can contract for one 20GB option and one 30GB each per one IIJmio Mobile Service contract.
  • Please see the available data size guide as a quick reference of data size.
Additional SIM card 400yen
(excl. tax) monthly per SIM card.
  • You will incur additional SIM usage fees when you start using a 2nd or additional card under the Minimum Start Plan and Light Start Plan and a 4th or additional card under the Family Share Plan.
  • Also, additional SIM card fees, additional SIM usage fees, various ancillary fees, etc. will be separately required for the 2nd card under the Minimum Start Plan and Light Start Plan and the 4th and additional cards under the Family Share Plan.

Specifications

 
Minimum Start
Plan
Light Start
Plan
Family Share
Plan
SIM Card The maximum number of SIM cards issued when applying for a new plan is two cards. The maximum number of SIM cards issued when applying for a new plan is five cards.
Up to two SIMs Up to ten SIMs*
  • TypeD:The SIM card for data communication using the LTE/3G network of NTTdocomo.
  • TypeA:The SIM card for data communication using the 4G LTE network of KDDI.
  • One contract of any plan may contain both Type A and TypeD SIM.
Bundled data 3GB 6GB 12GB
  • The bundled data is valid until the last day of the month following the month that the bundled data takes effect.
  • The bundled data for the first month of contract is calculated on a prorated basis.
  • Please see the available data size guide as a quick reference of data size.
Data speed switching
  • Subscribers can switch data speed to low-speed (up to 200kbps) anytime to save their bundled data. Switching data speed is made by IIJmio Website or our official app IIJmio coupon switch (Miopon) offered both Android and iOS.
Data speed High-speed TypeD: Depending on the NTTdocomo's 3G/LTE network specifications and device capability
TypeA: Depending on the KDDI's network specifications and device capability
  • Depending on the device, the theoretical maximum speed may vary.
Low-speed Up to 200 kbps
  • The connection speed accessing to IIJ mail server, IIJmio website, IIJmio MailViewer and IIJ DNS server is always unlimited.
Restrictions With bundled data [TypeA only] 6GB for three days
  • In case that the total amount of data volume per one SIM for the three consecutive days has exceeded 6GB, its transmission speeds may be restricted in the following day.
bundled data 366 MB for three days
  • In the case of low-speed (up to 200kbps, all bundled data is run out or data speed is switched) and the data usage for three consecutive days exceed 366MB for each SIM, it causes further data speed restrictions.

Additional function

data top-up 200yen (excluding tax)/100MB
  • 30 times of top-up is available in each month.
  • The Top-upped data is valid for three months from the month being topped-up. (For example, if a subscriber tops up in March, the validity date of the data is the end of June, thus remains of the data will expire at 1st July.)
  • Please see the available data size guide as a quick reference.
Coupon card

Coupon card

  • 500MB / 1,500yen (no tax)
  • 2GB / 3,000yen (no tax)

Coupon card/Selectable

  • 1GB / 2,300yen (no tax)
  • 3GB / 4,100yen (no tax)
  • 5GB / 5,400yen (no tax)
  • IIJmio coupon card is sold in convenience stores and other shops for top-up. Please see the IIJmio coupon card for details.
  • The topped-up data is valid for three months from the month being topped-up. (For example, if a subscriber tops-up in March, the validity date of the data is the end of June, thus remains of the data will expire at 1st July.)
  • Please see the available data size guide as a quick reference.
Available Allowed
  • New plan applies from the first day of the following month of the application.
  • We do not accept applications on the last day of each month.
  • The online application is only acceptable.

Other fees

Reissuing SIM cards (size change) 2,000yen (excluding tax) for each SIM. Additionally payable is a SIM card issuance fee of ¥394 for a Type D SIM card or ¥406 for a Type A SIM card (respectively net of tax).
Add a SIM
Re-issuance of a SIM with conversion of SIM functionality (Data, Data/SMS, Data/SMS/Voice)
Re-issuance of a SIM with type change (TypeD⇔TypeA)
* excluding Voice capable SIM
Combining plans(*1) 2,000yen (before tax) per application submitted.
Separating plans(*1)

(*1) Certain conditions apply.

    [Re-issuance of a SIM]
  • Re-issuance of SIM is available for the lost one.
  • [Re-issuance of a SIM with conversion of SIM function(Data/SMS/Voice) / type change (TypeD⇔typeA)]
  • Re-issuance of SIM is required when subscribers want to convert the SIM functionality (Data, Data/SMS, Data/SMS/Voice) or change the SIM type (TypeD/TypeA). Any change costs 2,000yen per SIM.
  • Both procedures of re-issuance of SIM with conversion of SIM function / type change cause the replacement of SIM physically and changing the phone number. We don't accept the request of changing phone number in other cases. *Re-issuance of a SIM with type change (TypeD⇔TypeA) of voice capable SIM is currently not accepted.
  • In the case of Re-issuance of a SIM (including Re-issuance of a SIM with conversion of SIM function and type change), the existing SIM works till the previous day of the day new SIM will be arrived.
  • In the case of re-issuance of a SIM with conversion from voice capable SIM to others, the application is accepted till 20th of each month. We deliver the new SIM at the 1st of the following month. The existing voice capable SIM works till the previous day of the delivery.
  • [Add a SIM / Delete a SIM]
  • You will incur additional SIM usage fees when you start using a 2nd or additional card under the Minimum Start Plan and Light Start Plan and a 4th or additional card under the Family Share Plan.
  • No extra charge is required in the case of SIM deletion. The data quota already assigned with the SIM (ordinary less than 10MB) will be expired at the time of deletion.
  • If you change to other Plan and add SIMs (excluding voice capable SIM with MNP) at the same time,The charge is 2,000yen regardless of the number of SIMs to be added.
      * In the case of MNP port-in, IIJmio registration name and the contractor's name of the current operator must be matched. If they don't match at all, be sure to change the contractor's name properly at the current operator's shop before the request of MNP reservation number to the current operator and our port-in procedure.
  • [Combining plans]
  • Subscribers are able to consolidate their two contracts online. Merged contract and all options bundled with merged contract will be canceled automatically.
  • As a result of consolidation of two contracts, a service fee for additional SIMs may be charged in some cases.
MNP Port-out 3,000yen (excluding tax) for each phone number.

Voice Call Function

Switching SIM card functionality(Data, Data/SMS/,Data/SMS/Voice) causes re-issuance of SIM.

Voice call fee Standard voice call fee 20yen per 30 seconds
  • Free minutes are not included.
  • Digital communication fee of 36yen is charged per 30 seconds for video calls. Only NTTdocomo's feature phone supports this type of digital communication. If you use smartphone or tablet, you need not care about this digital communication fee.
  • Some types of telecommunication services provided from third-party telecommunication operators (incl. telegram) are charged along with the voice call fee.
  • The voice call fee is billed with one month delay.
Voice call fee with the Miofone Dial app 10yen per 30 seconds
  • This discounted fee is applied by adding the dedicated prefix number, 0037-691, at the head to calling phone number. The prefix number is added automatically when using the official Miofone Dial App.
  • Toll free numbers(0120-), Navi-Dial(0570-), emergency call (110/119/118) and other three-digit numbers are not enabled to call with dedicated prefix number(0037-691). The official Miofone app is automatically unset the prefix number if calling number is one of these numbers.
  • Miofone Dial may be unavailable for 24 hours after activation of the SIM.
  • The voice call fee is billed with one month delay even when the Miofone Dial is used.
  • Miofone Dial is unable to use if your phone number was once applied with particular third-party telecommunication services. Please read here for details.
  • International calls are limited to certain countries.Please Click here for details.
  • Please click here for more details about Miofone Dial.
Family Call rate 16yen per 30 seconds
  • Family Call rate is applied for the calls whose caller number and calling number are both under one contractor(one mioID).
  • This discount rate is not applied if the caller use third-party telecommunication service (ex. Rakuten Denwa).
  • When calling other subscribers who have a SIM card with the voice call function, the discount does not apply if the call is not made to a phone number with the same mioID.
  • This discount rate is not applied for the international calls and the calls during international roaming.
  • SMS fee is not discounted even the sender and the receiver are both under one contractor(one mioID).
Family Call Discount rate with Miofone Dial app 8yen per 30 seconds
  • Please click here for the details of Family Call Discount rate with Miofone Dial app.
With Flat-rate voice call option Flat-rate for calls in 3 minutes or less
  • Domestic calls within maximum 3 minutes are with no extra charge.
  • Domestic family calls within maximum 10 minutes are with no extra charge.
Flat-rate for calls in 10 minutes or less
  • Domestic calls within maximum 10 minutes are with no extra charge.
  • Domestic family calls within maximum 30 minutes are with no extra charge.
  • With Flat-rate voice call option, Flat-rate is applied for all domestic calls using Miofone Dial app and its duration is under the designated minutes.
  • When using Miofone Dial and calling NOT between the same subscribers (mioID), user can make the voice calls within 3/10 minutes (conforming option plan) or less at no extra charge.
  • If the calling phone number is under the same contractor (same mioID) of the caller phone number with Flat-rate voice call option, Flat-rate is applied for all domestic calls using Miofone Dial app and its duration is under the 10 or 30 minutes instead of 3 or 10 minutes.
  • The voice call fee with Miofone Dial app (10yen per 30 seconds / 8yen per 30 seconds with Family Call discount) is applied for the excess of the designated minutes.
  • SMS service is NOT included in this service
Voice call options Flat-rate voice call option Flat-rate for calls in 3 minutes or less 630yen (excluding tax)/month
Flat-rate for calls in 10 minutes or less 830yen (excluding tax)/month
  • 3 and 10 minutes unlimited calling
    • When using Miofone Dial and calling NOT between the same subscribers(mioID), user can make the domestic voice calls within 3 minutes or less at no extra charge.
    • When using Miofone Dial and calling between the same subscribers (mioID), user can make the domestic voice calls within 10 minutes or less at no extra charge.
  • 10 and 30 minutes unlimited calling
    • When using Miofone Dial and calling NOT between the same subscribers (mioID), user can make the domestic voice calls within 10 minutes or less at no extra charge.
    • When using Miofone Dial and calling between the same subscribers (mioID), user can make the domestic voice calls within 30 minutes or less at no extra charge.
  • The application of Flat-rate voice call option is available in IIJmio web page changing the voice call option (members only) after the voice capable SIM is activated.
  • Flat-rate is applied from the date this option is applied.
  • The option fee will be fully charged for the first month without prorating.
  • The option fee will be fully charged for the termination month without prorating. Flat-rate will be applied for all calls in the termination month regardless of the date of the cancel procedure.
Voice mail In the case of TypeD In the case of TypeA 300yen (excluding tax)/month
  • The application of voice mail option is available in IIJmio web page changing the voice call option (members only) after the voice capable SIM is activated. It takes up to four days from the date this option is applied before voice mail is available.
  • The monthly fee of voice mail for the first month of contract are calculated on a prorated basis. In case of cancellation, it takes maximum 4 days and option fee will be fully charged for the termination month without prorating.
  • The change of voice mail function is allowed once for each number per month.
Call waiting In the case of TypeD In the case of TypeA 200yen (excluding tax)/month
  • The call-waiting function is equivalent to the call-waiting function provided by NTTdocomo.
  • The application of call waiting option is available in IIJmio web page changing the voice call option (members only) after the voice capable SIM is activated. It takes up to four days from the date this option is applied before voice mail is available.
  • The monthly fee of call waiting for the first month of contract are calculated on a prorated basis. In case of cancellation, it takes maximum 4 days and option fee will be fully charged for the termination month without prorating.
  • The change of the call-waiting function is allowed once for each number per month.
Call transfer In the case of TypeD In the case of TypeA
※In the case of TypeA:The operation may vary by device and presence of voice mail contract.
International roaming In the case of TypeD In the case of TypeA
  • Data communication is not available outside Japan.
  • In the case of international roaming, the incoming call fee is changed when receiving a call.
  • In the case of TypeD
  • We will interrupt the international roaming if voice/SMS charge expect to exceed 50,000yen per month. Be sure this does not mean any indemnity for the customer. All fee regarding the international roaming usage will be charged regardless this allowance of 50,000yen.
  • To find the service areas for the international roaming service, please check the NTTdocomo’s website, Search call charge, data charges, and service areas for use overseas.
  • International roaming services do not guarantee the similarity to World Wing provided by NTTdocomo.
  • In the case of TypeA
  • There is no limitation of international roaming usage.
  • To find the service areas for the international roaming service, please check the KDDI’s website, The site area of KDDI and charges:Using overseas
International calls In the case of TypeD In the case of TypeA
  • All subscribers of IIJmio voice capable SIM can use discounted international calls using our official Miofone Dial App. Click here for more details.
  • In the case of TypeD
  • We will interrupt the international calling if the charge expect to exceed 20,000yen per month. Be sure this does not mean any indemnity for the customer. All fee regarding the international call usage will be charged regardless this allowance of 20,000yen.
  • To find the service areas for international calling service, please check the NTTdocomo’s website,
    Search call charge, data charges, and tariff for international calling services.
  • Calling fees to major countries are as follows:
  • U.S.A.: JPY 31 or more
  • U.K.: JPY 78 or more
  • Taiwan: JPY 49 or more
  • Hong Kong: JPY 49 or more
  • China: JPY 49 or more
  • South Korea: JPY 49 or more
  • In the case of TypeA
  • To find the tariff for international calling services, please check the KDDI’s website, Service area and charges:Using overseas
Call block service [In the case of TypeD]
Call block service [In the case of TypeA] 100yen (excluding tax)/month
Remote operation [TypeD only]
SMS fee To domestic numbers 3yen per one message up to 160 characters(70 characters in the case of double byte character).

※If the message with over 160 characters is being sent (up to 1530 characters), the message will be divided into multiple messages. In the case we charge all divided messages.
※If the long message is being sent as a concatenated message, we treat it and charge it the same as divided messages
To international numbers In the case of TypeD 50yen per one message up to 160 characters(70 characters in the case of double byte character).
In the case of TypeA 100yen per one message up to 160 characters(70 characters in the case of double byte character).

※If the message with over 160 characters is being sent (up to 1530 characters), the message will be divided into multiple messages. In the case we charge all divided messages.
※If the long message is being sent as concatenated message, we treat it and charge it the same as divided messages
International roaming 100yen/message (tax does not apply)
Receipts Free
Specs
  • Sending fee depends on the number of characters.
  • Depending on the device or app, up to 670 two-byte characters (1,530 characters for only half-width alphanumeric).
  • When sending a text message of 71 two-byte characters (161 characters for only half-width alphanumeric.) or more, a message might be divided depending on the device or app.
  • SMS sending fee is billed one month delay.
  • In the case of TypeD
  • The message that can be sent per day is up to 200 messages.
  • In the case of TypeA
  • The text message can be sent and received up to 200 messages per day.

Minimum service period/Cancellation fee for the voice call function

Minimum service period
  • If you apply after October 1, 2019:
    (12 months - Number of months using the service excluding the first month) x 1,000yen(tax does not apply)
  • If you apply by September 30, 2019:
    When canceled within 12 months from the first month of use: 1,000 yen (tax does not apply)
Short-term cancellation fee for the voice call function 1,000yen
  • The following month of service start month is counted as the first month.
  • In cases when a SIM with voice capability is canceled within 12 months, short-time cancellation fee for voice call function will be charged even after the minimum service period.
  • At the time of service cancellation, deletion of a SIM and MNP port-out, short-term cancellation fee for the voice call function is charged. Short-term cancellation fee for the voice call function is not charged in the case of the conversion of the SIM functionality (Data/SMS/Voice to others).
  • From October 1, 2019, the terms of the contract will be partially changed, and the voice call function cancellation settlement charg will be changed from 12,000 yen to 1,000 yen(tax does not apply).Click here
    [Notes]
  • Subscribers must be 18 years old or older than 18 years old. If the subscriber is 18 or 19 years old, the consent from a person with parental authority (legal representative) is required.
  • Each customer may subscribe to up to five SIM cards with voice capability.
  • In accordance with the Mobile Phone Improper Use Prevention Act, identification documents such as residence card, are required for identification.
  • Please note that some apps may automatically send a SMS to overseas.
  • IIJmio does not confirm the capabilities of sending/receiving SMSs from apps. In addition, we do not check if all devices come with SMS sending/receiving function. Please contact the manufacturer of your device.
  • A private IP address is assigned for the device. For that reason, some applications may not work properly.
  • If we find that a customer's fees are extremely higher than the average of usage, we try to contact the customer to confirm the status. If we cannot contact the customer for any reason, we may suspend the service to the end of the month.
  • Even after cancellation of the service, sending/receiving SMS and voice calls remain active depending on the status of the service. A customer will be charged for such usage regardless of the service cancellation date.
  • The services provided by NTTdocomo, such as i-mode and @docomo.ne.jp email, are not included.
  • This service uses a signal that may not be available indoors or because of obstacles (buildings and land features) even when a subscriber is within the coverage area. Also, the service may not be available on the upper floors of a building even when there is a clear view.
  • We force to cut down the improper web contents listed by Internet Contents Safety Association(ICSA). In the case we alternatively display the message that the request is restricted.
  • The prices above do not include consumption tax. Any fraction of less than one yen shall be truncated.
  • For further information, please check the Service FAQ.
    * Products names, company names and company’s trade names and trademarks provided here are registered trademarks. Please note that the body texts do not display TM, (R)marks.

※All prices are shown exclusive of tax.

※Products names, company names and company’s trade names and trademarks provided here are registered trademarks.

※Please note that the body texts do not display TM, (C)marks.