Broken pixel for iOS build

Hello everyone,

I'm developing a 2D iOS game for my company. I used isomatric projection, and to make pixel perfect i already set camera.othorSize = screenHeight / 2 and t$$anonymous$$s is working good inside Unity Editor and desktop build. But when i publish for iOS there are some broken pixels like the image attached here

T$$anonymous$$s is what it looks like when export for Desktop / internal IDE

I already try to disable anti-alias in quality settings, use int values for element position, use power of 2 textures, disable mipmap, use RGB32 ...

I'm i missing somet$$anonymous$$ng ? The weirdness is it's working good for windows build and inside unity Editor. And the brokens buttons below are not assembly, it is one rectangle piece in the atlas just as the two buttons above.

I was even trying to offset the camera by 0.5f without any success.

Do you have any idea why t$$anonymous$$s happens ? please help.