This document is the basic manual for W21SA, which explains how to use the phone, address book, mail, camera, EZweb, EZnaviwalk, EZchannel, FM radio, and other features. It also provides troubleshooting information and instructions for viewing photos on TV and inputting text.
This manual explains how to operate the au W21SA mobile phone, covering basic functions like making calls, using the address book, sending mail, and accessing EZweb services. It also describes how to use the camera, FM radio, EZchannel, and EZnaviwalk navigation features.
Safety and etiquette sections advise proper phone etiquette, handling of electric waves, and precautions when using the device in prohibited areas. Additional chapters cover battery management, power reception, junk mail filtering, one‑ring call protection, and troubleshooting tips.
Press and hold the Manner Mode button for more than one second on the Standby Screen.
One‑ring calls are likely scams; the call will be displayed as a one‑ring call in the received record.
Use the mail filter function to reject mail from specific addresses or messages marked as unsolicited ads.