QPRESENTER-IPHONE

QPRESENTER-IPHONE

Display
Setup
Casting & Mirroring
Apps & Firmware
External Devices
Power
Audio
Why projector shows "USB Display detected", but no image is displayed on the screen ?
Why does projector have some noise?
What's different between native resolution and supported resolution?
Can I use the projector in a smoky and dusty environment?
The lamp is not on but the fan remains running, what is happening?
Why is the lamp is not as bright (or dimmed) after using for a period of time?
How can I apply the bi-directional CEC function on the projector?
Why is some of the color only looks different with monitor output in high-brightness model?
3D is not working or getting lost sync on my projector. How can I fix it?
Apps sometimes quit unexpectedly on my Android TV and the system crashes to the home screen. How can I fix this?