1、 copy the whole file “fupgrade” to your flash disk’s root directory. Plug the flash disk into USB-A port on projector.
2、 Turn on projector, press MENU+RIGHT for 3 seconds till the upgrade menu shows up.
3、 Move the cursor to “Check Upgrade Files”, then press RIGHT button once.
4、 There are four items in the menu which shows option “close” and “open”, select “open” at the forth item.
5、 Then move the cursor to item “Start Upgrader”, press RIGHT button to start upgrade, there will be a message shows up indicating the upgrade is succeed.
6、 After the upgrade, turn off the projector, unplug power cord.
7、 Hold POWER and DOWN button down and plug in power cord until the POWER and WARING indicator lights, projector’s been initialized.