If your VAVA 4K Laser projector has a distorted screen, such as picture is bent on the top. Here is the solution.
You can try the following steps to solve the issue
Try to do a factory reset, check the firmware version, Wipe the lens with the cleaning cloth and Try it on a different wall or surface to check if it will have the same issue or in the same spot. Please watch this video tutorial on How to check screen distortion: VAVA 4K UST Projector Tutorial #10：How to check screen distortion
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