Xiaomi mijia 4k projector white pixel

[Lacasrac]

Yesrerday appeared a white pixel on my projector in a point. Is it a dead pixel?
Can I fix it somehow?

 

[darkstudio]

Yesrerday appeared a white pixel on my projector in a point. Is it a dead pixel?
Can I fix it somehow?

hi, Same issue here. Do you have a fix process or anything else? Thanks