Why does the iPhone 17 Pro have that strange 'cut' at the top edge?

The mysterious plastic strip on the iPhone 17 Pro isn't just for decoration; it also helps the 5G antenna function more stably.

While the iPhone 17 is Apple's most popular product line of all time, a controversial detail has emerged on the models.   iPhone 17 Pro   Sold in the US: a mysterious plastic strip located on the top edge of the phone, near the power button, has puzzled many users.

This plastic strip stands out on the aluminum body, and many initially thought it might conceal a secret feature. But after investigation, users discovered that it's simply a place for the mmWave 5G antenna. In fact, this slot is absent on models in some other markets, as the antenna is only necessary in areas like North America, where mmWave 5G is deployed to provide high-speed internet.

The design details of the 5G mmWave antenna band are only found on iPhone 17 Pro models sold in the US.

Key design details of the iPhone 17 Pro

Although this information has partially solved the mystery surrounding the iPhone 17 Pro, many other questions remain: Why didn't previous iPhone models have an antenna in this location? Why did Apple change the design? It all relates to the new unibody aluminum casing, as aluminum can obstruct radio signals, making this opening necessary to ensure stable 5G connectivity.

Previously, iPhone models concealed the antenna.   5G mmWave   In different locations. For example, on the iPhone 12 Pro, the antenna slot was located below the power button, but this was later moved to the top right on the iPhone 14. For the iPhone 16 Pro, the slot is positioned slightly higher to make room for the new camera control button.

As for the standard iPhone 17 version, although it has an aluminum frame, the back is made of glass, so the notch at the top is unnecessary and the antenna is hidden behind the back.

Overall, the plastic strip at the top of the iPhone 17 Pro is actually a clever design.   Apple   This makes it easy for users to identify this as the version for the US market, and also ensures that the 5G mmWave antenna is not obstructed when using the phone.

Source: https://baotayninh.vn/vi-sao-iphone-17-pro-co-vet-cat-ky-la-o-canh-tren-147772.html