Yealink W52 Quick Start Manual

Yealink developed tool "W52x Handset Firmware Update Tool (USB)-[4.10.2.0.]" is used
to upgrade the W52x handset with firmware version 26.30.0.40 or earlier. New firmware
version of W52x handsets is developing to support air upgrade. You can ask Yealink
distributor or FAE (Field Application Engineer
online:
http://www.yealink.com/SupportDownloadfiles_detail.aspx?ProductsID=534&CateID=3
08&flag=142
This guide provides you with step-by-step instructions on how to upgrade the handset
firmware using this tool.
To upgrade the handset firmware, obtain the latest handset firmware file and store it on
your local system. There is a USB port on the back of handset. Before the upgrade
process, you need to connect the handset to the computer using a USB cable.
Ensure the handset is turned on before connecting to the computer.
To connect the handset to the computer using the USB cable:
1. Open the battery cover on the back of the handset.
A mini USB port is located under the battery cover.
2. Connect the USB cable to the computer.
3. Connect the other end of the USB cable to the USB port on the handset.
To upgrade the handset firmware successfully, ensure the capacity of handset batteries
is enough. We recommend that you place the handset in the charger cradle during the
upgrade process.
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for the tool, or download it available
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