The iPhone 17 pro max sim slot is identical to the 15 pro max one, except the bottom bit is inverted.

So you can’t interchange them, but you can plug one into the other 90% of the way. https://cdn.nostrcheck.me/5f6622e120136f7415b9476e0b06fea804dd8bd22f6a072d63336ac775f494d0/13c7b0d604fd9662eab72a58a035b51cbf6128b1d7f78a9ae8d005ea7cc0a460.webp https://cdn.nostrcheck.me/5f6622e120136f7415b9476e0b06fea804dd8bd22f6a072d63336ac775f494d0/d2636c13b2afb48697b77bc23693b7604274bcecaf100f53c25da6c071b81eb2.webp