Step 4
Once the newer firmware is downloaded, it is
applied to the unit and the unit automatically
restarts.
A
Version 01.050 Updated
Step 5
After the base unit is updated, the update for the
handsets [KX-TPA60, KX-TPA65, KX-TPA68,
KX-TPA70, KX-TPA73, KX-UDT121, KX-UDT131]
is executed.
6.4 Upgrade Firmware
When an updated version of the firmware is provided on a Web site or other means, you can perform the
firmware update manually using Web user interface programming.
For details about the local firmware update, see
Updating the firmware of handsets takes approximately 15 minutes and up to 4 unused handsets can be
updated simultaneously. Updating 5 or more handsets simultaneously will take approximately 30 minutes to
complete. While downloading, "Downloading xx%" (xx=01-99) is displayed on the handset. If the display
does not change after several minutes, there may be a communication error; try moving the handset closer
to the base unit.
Before performing the firmware update, make sure that the handset is turned on and is communicating with
the base unit.
If the firmware update is started while the handset is on a call, the update will start after the call is
completed. During the firmware update, the handset cannot be used to make calls (including emergency
calls). Also, the firmware update cannot be canceled midway through the update.
Note
•
To ensure that the update proceeds smoothly, it is recommended that the handset is placed on its
charger for the duration of the update.
•
It is recommended to select a time for updating in which the handset will not be used.
To manually update the firmware
1.
In the Web user interface, click the
[Maintenance]
tab, and then click
[Up
date
Firmware]
.
2.
Click
Browse
, select the folder where the firmware file is stored, and specify the firmware file on your
PC.
3.
Click
[Up
date
Firmware]
.
6.4 Upgrade Firmware
392
Administrator Guide
Document Version: 2020-04