Comment by jdietrich

12 hours ago

That giant sheet of mother glass is 2940mm x 3370mm. Cutting efficiency dictates the size of TVs, but it's basically irrelevant for phone or tablet displays.

Each block or piece of mother glass can be used for dozens or even hundreds of LCDs but it seems obvious that there are only so many ways you can effectively slice it.

While manufacturers can theoretically produce custom-sized LCD panels, it's more economical and efficient to stick to standard sizes that align with their production lines. Producing custom-sized panels can involve retooling. Choosing a standard size also ensures greater availability.

For a low cost product, I don't see why Apple would mess around with LCD sizes.

Still, this is just a guess. Only Apple knows for sure.