Korean giant has long been criticized by consumers for equipping its smartphones in plastic, very elegant housing. It was therefore decided to introduce a lot of changes in design, and was to be the harbinger of a new line of smartphones Galaxy A3, A5 and A7, which uses the metal housing.
What was supposed to be their biggest advantage, at the same time can be a serious drawback. From the first tests A3 and A5 models show that the metal casing causes a significant reduction in signal strength. Compared to the plastic Galaxy S5 is from 15 to 20 percent weaker, which of course can translate into difficulty getting the call, as well as problems while using the Internet.
A similar problem was his time in the model of Apple iPhone 4 equipped with a metal and glass design. Then solved it by placing the antenna in the metal strip around the phone, but did not foresee that the users there just touch your fingers when holding the device, which in turn resulted in frequent disconnects calls.
Samsung will therefore also have to put the antenna on the outside or find some other solution that will not attenuate the signal strength.
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