How Does the SIM Card Work?

The SIM Card is compatible with iPhone, IPad and Android phones.
List of other compatible devices : http://www.bmobile.ne.jp/eng3g6g/devices.html

Caution: Your phone must be unlocked. If you do not know whether or not it is unlocked, please contact your service provider ahead of time to check.

There is no speed limitation. It is based on the best effort theoretical maximum speed.

The maximum usable period of this product is for 15 days / 30 days from the following day of your first access to the network and the usable data amount is 3GB or 6GB.

If you used up all the data, the service will stop regardless of wether it's in usable period.

No, this is a data-only SIM card. In other words, you will not be able to send or receive any calls.

After inserting the SIM card into your phone, it needs to be configured before you can use it.

Read the Activation guide here

PLEASE NOTE: You will need a Wifi connection to configure the APN and activate the SIM card the first time you use it.

The SIM card uses the Docomo network.

No, the SIM card will only work in Japan.

The SIM card is available for a period of 15 or 30 consecutive days. This period of use starts upon activation of the SIM card in your phone.