You must perform a "staged update." You cannot jump from V1.3 directly to V1.7. Update to V1.5 first, then V1.6, then V1.7. Check BenQ's support site for intermediate files.
: Tap the System or Settings icon on the home screen. benq rp653k firmware update
Ensure the display is connected to stable power. Do not turn off or unplug the device during the update – this can permanently damage the unit. You must perform a "staged update
The most convenient way to update is directly through the internet if your IFP is connected to a network. benq rp653k firmware update