To update the firmware of the THD603QC Set-top box, the following guidelines must be followed.

It is recommended to link the Set-top box to the internet with LAN as it normally results in a more stable connection.

Guideline – instruction

• Take a USB stick formatted in FAT32 file system.
• Download the zip file using the above Download Button.
• Store the zip file on a USB stick.
• Unplug the power cord of the Set-top box.
•  Insert the end of a paperclip in small hole (named RESET) next to USB port and push the paperclip until you feel a click
• Turn on power and you (keep pushing gently until the Android System Recovery menu appears on screen)