3
Step1. Upgrade the firmware version 1005.2
2. Connect the USB Memory Drive
to the USB port of your PC.
Copy the file into the USB Memory Drive.
3. Go to the USB Memory Drive and then double click the file
P550 firmware 1005.2.exe.
1. Save the firmware file onto your computer.
File : P550 firmware 1005.2.exe
4. Press “Unzip” button.
5. Unzipping is in progress.
6. After completing, press
“OK” and “Close” button.
7. The USB driver should contain one folder
named T-SPNAUS
8. Safely disconnect the USB memory drive
by right clicking the green check mark
on the taskbar and then left click
“Safely Remove”.