There are two ways you can Upgrade the Strong decoder either by using USB or through the RS232 Upgrade.
Copy the software you want to upload into a USB Drive (Flash Drive)
Turn on your Decoder
Insert the USB drive into your decoder
Decoder Recognises USB Drive and displays
[Initializing USB drive... Please wait.]
Scroll to USB] and Press [OK]
[Scroll to [Data Transfer] and Press [OK]
Enter PIN 
Select the Software version you want to upload and press [OK]
Wait for the new Software to upload
NOTE: DO NOT POWER OFF YOUR DECODER WHILE UPGRADING
The Decoder automatically Reboots itself and you can wait to watch your Channels if they are already scanned.