Service introduction
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- When using e-mail or EZweb/PC Site Viewer, please apply for the EZ WIN Course (¥315 per month with tax).
- Maximum charge for EZweb E-mail is ¥4,410 per month (with tax), no matter how much you use it.
Even if usage of PC Site Viewer is included, the maximum charge is ¥5,985 per month (with tax). - The maximum charge for using communications solely via smartphone is ¥5,985 per month (with tax), no matter how much you use it.
On applicable phones for mobile data transmission standard charges, the charge is ¥10,395 per month (with tax) when connected to devices such as mobile personal computers, PDAs, or car navigation systems, no matter how much you use them.
Charges
- [1] The flat rate can be fully used for free communications charges.
- [2] For customers using communications solely via a smartphone, the maximum charge is ¥5,985/month (with tax), equivalent to the charge for the use of PC Site Viewer. EZweb and PC Site Viewer cannot be used on smartphones.
- [3] This maximum charge only applies on applicable phones.
- * Use of some content may incur separate information charges.
- * Overseas packet communications charges are not covered by this discount. Check here for overseas use.
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- Not available for customers using Plan E Simple or Plan E.
- The maximum charge for communication on devices such as mobile PCs, PDAs, and car navigation systems applies only to specific models (the same models as those specified in "Models subject to maximum charges for connection with mobile PCs, PDAs, and car navigation systems" under the "Double-Teigaku-Super Light" plan).
- Your line may be temporarily suspended if your packet communications fee becomes expensive, regardless of whether or not you subscribe to a packet communications flat-rate fee / discount service (Packet Teigaku Plan).

- [4] Normally ¥0.21 per packet (with tax)
Flat rate start-up
- If you sign-up along with a new subscription or mode change [5]: the discount starts the same month (as the new subscription or mode change).
- If you are enrolled in a packet flat rate service: the discount starts the subsequent month.
- If you are not enrolled in a packet flat rate service: you can choose same month start-up or next month start-up.
- [5] A "mode change" refers to a model change from CDMA 1X to CDMA 1X WIN or from a data communications card to CDMA 1X WIN.
- * When purchasing a device via model change/addition, if you sign-up for a flat-rate packet communications service simultaneously with changing your rate plan from "Plan E Simple/Plan E" to another plan, you can select the starting date of the service from either the following month or the delivery date of the device subject to model change/addition (the date when the line is switched) (Note that basic charges and free call allowance are calculated on a pro-rate basis).
- * If you sign-up when entering into a new subscription, this service will start on the day your subscription starts (the flat rate and free communications charges are calculated on a daily prorated basis). If you change over from another packet communications flat rate service, this service will start the month after you sign-up.
- * If you sign-up when changing modes, this service will start on the day your mode changes (the flat rate and free communications charges are calculated on a daily prorated basis). Also, the packet communications charge discount service that you were enrolled in before the mode change will apply up to the day before your mode changes.
- * If you add Double-Teigaku-Super Light in any case not listed above, you can select start-up from the sign-up month or the month after the sign-up month.
How to apply
- You can sign up at a shop or through EZweb.
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- This service cannot be used in combination with Double-Teigaku-Super Light, Double-Teigaku-Light, or Packet Discount WIN Super/WIN Middle.
- Whether or not you are enrolled in a packet communications flat rate service, EZweb is always offered with service conditions like the maximum character count and attached file size for one message and maximum transmission via EZ apps for one day.
- If you are enrolled in a packet communications flat rate service, your rate plan free call does not cover your packet communications charge.
- Some transmissions incurred during the initial setup of JR East's Mobile Suica are not covered under the maximum charge of this packet communications flat rate service.
- This discount does not cover calling charges and Video Phone calling charges (including group Video Phone calling charges).
- Smartphones may access the Internet in some applications even when a user does not operate the device.
Accordingly, a subscription to IS Flat is recommended.
Restrictions on use
- * If the packet communications charges for usage are high, your line may be temporarily suspended regardless of whether or not you are enrolled in a packet communications flat rate/discount service.
- * To prevent network congestion, limits will be placed on communication speeds from 9:00 pm until 1:00 am the next day for some customers.
Customers who used more than 3 million packets two months previously (equivalent to about 250 to 300 Chaku-Uta FullR tracks) will be subject to restrictions.
In the case of smartphone users, customers who used more than 3 million packets in the previous three days (not including the current day) will be subject to restrictions all day.
Communications optimization
- IS series packet communications may perform system optimization to improve the display speed of images and the waiting time before video playback begins. The following file formats will be optimized from April 2012.
| Image files | BMP, jpg, gif formats |
| Video files | MPEG, AVI, MOV, FLV formats |
- * The above information may be changed. Notification will be made in case of any changes.
See here for reduced rate services that can be combined with Double-Teigaku.

