For Y! Mobile (domestic calls within 10 minutes per one month free up to 300 times a month, 2980 yen per month

With the launch of the rate plan for smartphones offered under the "Y! Mobile" brand from August 1, 2014 (Friday), the details became clear.

Y! Mobile About New Rates | 2014 | Press Releases |
http://www.ymobile.jp/corporate/press/2014/071701.html

Sumaho plans are as follows.


Three of "smart phone" for smartphones are "S (1GB)" "M (3GB)" "L (7GB)". Each plan includes domestic calls (up to 300 times per month) within 10 minutes per time, and flat-rate data communication charges.

Also, for calls exceeding 10 minutes per call or domestic calls exceeding 300 times per month, it is 20 yen / 30 seconds. Furthermore, if the data traffic volume is exceeded, the communication speed will be reduced to the maximum of 128 Kbps at the time of sending / receiving until the end of the billing month, but communication at normal speed will be possible at 500 yen every 500 MB. In addition, the above three Sumaho plans are bound for two years, and it is said that if you cancel within two years, a contract cancellation fee of 9500 yen will be applied.

In addition, it is supposed to start an optional service "Fare even with supermarket" option where domestic calls are fixed at 1000 yen / month regardless of number of calls, call duration and number of calls.