Firmware Upgrade Configuration; Upgrading Yealink Headset Firmware - Yealink SIP-T3 Administrator's Manual

Administrator's Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
IP Phone Model

Firmware Upgrade Configuration

Before upgrading firmware, you need to know the following:
Do not close and refresh the browser when the device is upgrading firmware via the web user interface.
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Do not unplug the network cables and power cables when the device is upgrading firmware.
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The following table lists the parameters you can use to upgrade firmware.
Parameter static.firmware.url
Description It configures the access URL of the firmware file.
Permitted
URL within 511 characters
Values
Default
Blank
T57W/T54W/T53W/T53/T53C/T48U/T46U/T43U/T42U/CP925/CP935W:
Settings > Upgrade > Upgrade Firmware
Web UI
Other Phones:
Settings > Upgrade > Select And Upgrade Firmware

Upgrading Yealink Headset Firmware

You can upgrade Yealink USB headset WH62/WH63/UH33/UH36/CP900/CP700 on T5XW/T4XU phones.
Procedure
1. From the web user interface, click Settings > Upgrade.
2. In the Upgrade Yealink Headset Firmware block, click Browse to locate the headset firmware from your local
system.
134
T19(P) E2
CP920
CP925
CP935W
Firmware Name
53.x.x.x.rom
78.x.x.x.rom
148.x.x.x.rom
149.x.x.x.rom
<y0000000000xx>.cfg
Example
53.84.0.60.rom
78.86.0.15.rom
148.86.0.5.rom
149.86.0.5.rom