Here’s why your iPhone has those lines on the back

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Do you ever look at the back of your iPhone and wonder what the lines on the back are for?

If you are an owner of an iPhone 6 or 6S you have probably noticed the two plastic lines that can be found on the reverse of the phone.

These two stripes are the phone’s antennas and are basically what your phone needs to communicate with the outside world – or more precisely your network.

The reason that aerials can not be tucked away inside the handset is due to the iPhone’s all metal casing that would prevent the radio waves that send and receive information so the result is that Apple decided to put them on the outside covered in plastic, a material that allows the radio waves to pass.

When the iPhone 6 was released a number of questions were raised about the antennas, not least if the deceased co-founder Steve Jobs would have allowed something that was not particularly aesthetically pleasing to appear on one of his devices.

Problems with antennas are nothing new for Apple as the iPhone 4 had reception problems when it was ‘held the wrong way’.

Those problems occurred when the user bridged the gap between the antenna and metal chassis.

The ironic thing about this was that it was actually an attempt by Apple to improve reception by lengthening the antenna that appeared to cause the problems.

If the rumours are to be believed, the tech giant appears to be planning to ditch the external antenna on the iPhone 7 with a patent being registered for a composite that looks and feels like metal but allows radio waves to be passed.

This will allow the antennas to be hidden away pleasing the more sensitive design critics from ‘visible antenna rage’.

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