Please help! Some texture error/problem on an Android device

I have several android devices and my android project. When I tested it on a Galaxy S3 and Tab 10.1 (The first 10.1 tab) it was just okay. But when I tried it on Xperia there was an interesting issue. The new image per frame overlaps the previous one, while the previous just doesn’t dissapear! Does anyone know what’s the problem? (P.S. I don’t override the textures when building, if it’s the problem)

In the Android Player Settings, set Use 24-bit Depth Buffer on.

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