Key facts
- Brand
- au by KDDI
- Model
- W51S
- Category
- Cell Phones
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-03-28
Start here

au W51S Phone User Manual
This manual covers basic phone operation for the au W51S, including turning the device on or off, dialing numbers, answering calls, adjusting volume, and managing contacts. It also describes how to set up and use the built‑in email and EZweb services.
Additional sections explain how to use the camera for photos and videos, place international calls, and enable or disable features such as silent mode and voice message reception. This manual is written in Chinese.
All au by KDDI W51S documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How do I send an email using the phone?
Open the mail application from the standby screen, select "Create New", enter the recipient address, subject, and body, then press the send button.
How do I turn the phone on?
Press and hold the E button for more than one second.
How can I mute the phone?
Press and hold the mute key for more than one second to activate mute mode.
