As far as I understand, it is because of plastic expansion around the lens. When the projector gets hot, the frame around lens expands and causes a loss on the focus. So as a solution, I keep the focus on the hottest point and just open my projector a bit earlier before watching. So that it can...
It turns out it was because of the distance between the Bluetooth speaker and the projector. After ~2 meters, it was causing this problem. So I switched to connecting them via cable and problem solved.
I recently bought a Mi Smart Mini projector. The focus gets broken after some time. I suspect the projector gets heated and the plastic around the lens expands. Does anyone has the same issue and fixed?
I recently bought a Mi Smart Mini projector. I am using a sound system connected via bluetooth. After some time, Netflix starts lagging and it is fixed when I close the sound system and switch to internal speaker or close Netflix and open again. Anyone having the same?