Try a different USB drive. Some STBs are picky about the brand or speed of the flash drive.
Select the firmware file you just put on the drive and press . Step 4: The Update Phase update firmware stb advance stp a01 top
Navigate to the or Tools icon (usually looks like a gear or a toolbox). Select USB Upgrade or Software Upgrade . Choose USB Upgrade as the method. Try a different USB drive
Always check the "Information" section in your STB menu after the update to verify that the software version date has changed. update firmware stb advance stp a01 top