: Use a USB drive (8GB or smaller recommended) formatted to FAT32 .
If you tell me the (found on the sticker inside the TV), I can help you identify exactly which of those files is the correct one to use. Directory Listing of AKAI/AGGIORNAMENTI TV AKAI/AKTV5534
: Continue holding the button for at least 5 seconds or until the standby light starts flashing rapidly, indicating the update has started.