Yealink W52 Quick Start Guide

1
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) for the tool, or download it available
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.
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.
Ensure the handset is turned on before connecting to the computer.
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.

Yealink W52 Specifications

General

Resolution	128 x 160 pixels
Handsets per base	Up to 5
Technology	DECT
Range	Up to 300 meters outdoors, 50 meters indoors
Audio features	Full-duplex speakerphone
Power supply	AC 100-240V Input, DC 5V
Protocols	SIP
Audio Codecs	G.722
Headset Jack	3.5mm
Power Saving	Yes
Operating Temperature	0°C to 40°C
Operating Humidity	10% to 90%
Frequency Bands	1880-1900 MHz