Create directory mag256 on the USB-drive and place file imageupdate into directory.
Go to “System settings” by pressing «Setup», «Services» or «SET» on the remote control (depending on the version the remote control)
Select “Software update”.
Select update “From USB” ⇒ “Start update”. If the preceding items are correct you will see a window with information about the current software version, select the drive or partition and the file path.
Select “Verify”. If the test is successful you'll see information about the availability of new versions of software.
Select “Start update” to begin the update.
After the update successful - STB must be rebooted.