According to multiple forums and my own trial and error, the only solution is to manually download the correct software/firmware from a PC, transfer it to a USB drive, and re-flash the receiver. The message "SW is wrong, please download again" essentially means the unit is not usable out of the box.
Software is corrupted / Wrong SW version sw is wrong please download again 2 starsat
The main issue is the software (SW). The version pre-installed on the device is either incorrect or corrupted. Upon booting up or attempting to scan for channels, the system becomes sluggish, unstable, or throws errors indicating a firmware mismatch. According to multiple forums and my own trial