Unions and Mesh Parts not rendering properly on mobile or low end devices

Hello there everyone! I recently just released a game and I noticed something that happens on mobile players and low end devices! I have this helicopter that uses unions and meshes, both combined to make it. I noticed that on low end devices and on some mobile players, the helicopter doesn’t render it’s parts properly, any idea how this could’ve happened? Here are the following screenshots of what renders on a low end device, vs how it renders on my computer.


As you can see in this image, the helicopter doesn’t render its front, doors, landing legs, windows, mostly nothing at all! This image was taken from a Youtuber that was on mobile.

This is the helicopter on my computer:


Any idea how this could be fixed?

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Could you provide a link to the game?

Pretty sure it’s;

I put the helicopter model in this place:

I’ve had this problem multiple times when I was creating a concept game, unfortunately that’s the way Roblox works, I don’t think there is a way to fix it, unless you make it all parts. Although I am grateful for the Union Corrupt fix they did. But as I said, there isn’t anyway to get around as far as I’m concerned ;-;

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I think it’s just an issue with low-end devices. Worked fine with mobile (I tested with S10 and iPhone 6).

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