Only particle shaders are visible after building for Android

So i am working on a multiplayer car arena fighting game but development has been halted for about a month now because of that weird "bug" and i have been trying to fix it ever since but with no chance the problem is that it is so weird and i can't think of a possible reason for it

so here is a detailed explanation of what's happening, everything is visible in the editor but after building for Android (everything works fine in PC/Mac) only particle shaders (both stander and mobile particle shaders) and other shaders doesn"t work even legacy ones.

any advice would be appreciated and the fact that the game is playable and game mechanics is almost finished frustrates me a lot, Thank you in advance :D