How Does the SIM Card Work?

The SIM Card is compatible with iPhone, IPad and Android phones.
List of other compatible devices : https://t.iijmio.jp/dv/

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 8, 16 days or 31 days from the following day of your first access to the network.

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

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 8, 16 or 31 consecutive days. This period of use starts upon activation of the SIM card in your phone.