Step1. How to prepare the USB Memory Drive
1. Save the firmware file into your computer.
File Name : T-CRLAUSC.exe
3. Go to the USB Memory Drive and then double click the file.
4. Just press "Unzip" button.
6. After completing, please press
"OK" and "Close" button.
2. Connect the USB Memory Drive
to the USB port of your PC.
Copy the file into the USB Memory Drive.
5. Unzipping is in progress.
7. A folder containing the firmware files
has been added to the USB memory drive.
Folder Name : T-CRLAUSC
8. Safely disconnect the USB memory drive
by right clicking the green check mark
on the taskbar and then left click