6
Step2. Upgrade the firmware version 1006.1
3. Connect the USB Memory Drive
to the USB port of your PC.
Copy the file into the USB Memory Drive.
4. Go to the USB Memory Drive and then double click the file
L540_L550_L580 firmware 1006.1.exe.
2. Save the firmware file onto your computer.
File
: L540_L550_L580 firmware 1006.1.exe
5. Press “Unzip” button.
6. Unzipping is in progress.
7. After completing, press
“OK” and “Close” button.
8. The USB driver should contain one folder
named ‘T-PRL3AUS’
9. Safely disconnect the USB memory drive
by right clicking the green check mark
on the taskbar and then left click
“Safely Remove”.
OK
1. If you completed
Step 1
from above, remove the
File
and
Folder
(listed
below) on your USB drive.
File
: L540_L550_L580 firmware 1005.1.exe
Folder
: T-PRL3AUS
