User guide

Appendix
61
firmware file and the firmware upgrading tool (W52P-HS-Flasher.exe), and store them on
your local system.
To connect the handset to the PC using the USB cable:
Before upgrading the handset, you need to connect the handset to the computer.
1. Open the battery cover of the handset.
A USB mini port is located underneath 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:
1. Double click the W52P-HS-Flasher.exe application.
2. Click the Browse button to locate the latest firmware file from your local system.
3. Click the Upgrade button.
The handset is turned off. The status of the upgrading process is indicated on the
interface of the firmware upgrading tool. The upgrading process will take a few
minutes.
Once the handset firmware has been successfully upgraded, the handset is turned on
automatically, plays a warning tone and performs an auto registration to the base
station. You can check the firmware version of the handset. For more information, refer
to
Checking System Status on page 15.