Format USB memory stick FAT32.
Create et5000 folder in root of memory stick and copy the following 5 files to that location.
1) boot.bin
2) kernel.bin
3) rootfs.bin
4) imageversion
5) unforce
Insert the USB medium into either USB sockets on the front or rear panel.
Now Power Off and Power On the box through the powerswitch at the rear panel of the box.
After Power On, ET5000 is detecting if there is ET5000 firmware available on the USB stick.
When the yellow/orange led shines then there is ET5000 firmware detected.
To load the ET5000 firmware you'll need to press the up button on the frontpanel.
When the green led will shine together with he yellow/orange led then the box is loading the firmware.
Please be patient because it will take couple of minutes to finish upgrading.
When the yellow/orange led will disappear then the box is finished upgrading the firmware.
The box will startup automatically after the upgrade is finished.
-Note-
During upgrading, please don't unplug power or shut down STB.
The frontpanel has 3 leds: RED, GREEN, YELLOW/ORANGE