miofone dial application

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About this app

"miofone dial" is the complemental phone calling application for "miofone" (IIJmio’s SIM card with voice service) users.
This app adds dedicated prefix number (0037-691) in front of your calling number automatically, and your call can be applied free of charges if you add Flat-rate voice call option to your SIM preliminarily.
Also, your international calls for some designated countries with this app can be discounted.

See our web site for further information.

"miofone dial" is an exclusive application only for miofone users.


miofone dial

* mioID & mio password are both unnecessary for this application.
* In your smartphone, this app is placed with the name "miofone" instead of "miofone dial".
* There are some services provided from other companies which may prevent the proper use of "miofone dial". See our web site for further information.

■About @iijmio
Official Twitter account of IIJmio. We tweet the useful information about IIJmio service in Japanese.

■Software License Agreement

To use this application, you need to agree with the following Software License Agreement.
Updated on
Oct 22, 2019

Data safety

Developers can show information here about how their app collects and uses your data. Learn more about data safety
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What's new

IIJmio service ends support for 「TLS1.0」「TLS1.1」.
The supported OS will be changed to Android 5.0 or later.