You can view how to use Xperia ™ Z4.
You can use Xperia ™ Z4 more conveniently, such as being able to launch settings screens and apps from the displayed page.
■ If you cannot install
If [Update] is not displayed and installation is not possible even if [Open] is selected, select [Uninstall] once.
When [Do you want to uninstall?] Is displayed, select [OK]. When [Install] is displayed, tap [Install] and tap [Agree and Download] to install.

【Notes】
・ Because it is an application dedicated to Xperia ™ Z4, it cannot be started on other models.
-A separate packet communication fee will be charged for downloading and updating applications.
* Subscription to the flat-rate service is recommended.