iPhone Hidden Feature: If you have an iPhone, you must have seen a line on the frame on its side. Apart from iPhone, if you use Apple's cellular connectivity iPad and Apple Watch, then you must have seen such lines on those devices also. Most people think that this is part of the design, but the game behind it is something else. These lines are neither for the design of the iPhone nor have anything to do with aesthetics. This line is provided to function a very important part of the iPhone.
Why is there a line on the side of the iPhone?
Now the question might be coming in your mind that if these lines are not for design then what is their use? The answer is that this line works as an antenna. Because of the antenna, the iPhone's Bluetooth, WiFi and 5G chip receive and transmit digital waves. That means, some of the most important features of the iPhone communicate with the world around you because of this line. If we understand from the example of iPhone 17 Pro Max, then it has an antenna line below the camera island.
Antenna lines are clearly visible even in old iPhones
Like the latest model, the antenna line was clearly visible in the old iPhone too. If we talk about iPhone 6, there was a line in its rear separating the camera and the lower part of the phone. Whereas in models from iPhone 8 to iPhone 16, its visibility reduced a bit due to stainless steel and titanium finish, but the antenna line did not leave the iPhone.
Antenna line is very important
The antenna line for an iPhone is more important than it appears. Actually, for the signal to pass through the metal body of the iPhone, there must be a break somewhere in it. This line acts as the same brake and it allows the radio signal to pass through it. Without this, signal quality may be adversely affected. Actually, frames made of metal weaken the radio frequency signal. In such a situation, this line made of polymer and composite creates a window in the metal frame, from where signals can pass without any problem.
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