SO-52B 取扱説明書 is a free Android application developed by Sony Corporation under the Education & Reference category's Books subcategory. With this app, you can access the user manual, and not only view pages but also launch the device's settings and other apps from the displayed page, making it more convenient to use.

It is essential to note that before installing the app, you should read and understand the following information and then tap 【更新】 (update). Firstly, you need to download the application before using it for the first time. Secondly, the e-Torisetsu (user manual) is only compatible with the SO-52B device and cannot run on other models. Finally, downloading or updating the application may incur additional packet communication fees. Therefore, it is recommended to use a packet flat-rate service. The app's size is approximately 3.2MB.