Firmware update failure : no light, fan is on

My PicoPix Max stopped working after firmware update failure. It can be turned on by hard button or remote. But only fan is on. No light. Seems the device cannot boot.

Any way to boot to engineering mode and then update the device from PC like other Android device?

Send an email to and request the Cabled Firmware Restore Procedure, after mentioning your issue and projector serial number please.