Click the "packet communications optimization tool"(パケット通信最適化ツール) icon created on the desktop, or select from "Programs"(プログラム) ––> "Packet Communications Optimization Tool"(パケット通信最適化ツール) ––> "Packet Communications Optimization Tool"(パケット通信最適化ツール) from the "Start"(スタート) Menu.
When "au Recommended Value"(au推奨値) is selected, the type of mobile phone can be selected. Select your current au phone, and click "Set"(設定する).
A confirmation message will be displayed, click "Yes"(はい).
(This screen is for selecting "W21H, W11 series, W01K, INFOBAR, A series and C series")
It is necessary to restart the PC to enable the settings in the PC. If okay, click "Yes"(はい).
The setting is now completed.