This post gathered the common problems of Faltopu projectors. You can check the solutions below for troubleshooting.
Replace a new pair of batteries.
Walk close to the projector when using the remote control.
Points the IR receiver on the projector.
Remove the cloth or sundries around the projector.
Place the projector in a ventilated place.
Don’t keep the projector working all day.
Adjust the focus to make the image clear.
Turn the lights off when the light is strong.
Check whether the screen size is too big.
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