In recent days, with iphone5, you can see most is up to the screen bigger than iphone
In recent days, with iphone5, you can see most is up to the screen bigger than iphone 4s LCD screen, long body, black and white remix the next generation iphone. This model will be of two different metals in a submerged fuselage design of the back panel. But, you know, why would apple want to use and completely different material, the iphone 4s back cover? Apple iphone design of the back panel not only in pursuit of beauty, while it also requires powerful and strong enough.
IPhone 4 first release is only a GSM phone (2G mobile phones), which means that it can only use the GSM standard cellular network. The GSM version of iPhone4 using an external metal panel antenna. Is divided into two parts. Part of the cellular network / data and one for GPS, Wi-Fi and Bluetooth. This design is also feasible, but if they go into a weak signal areas susceptible.
When the CDMA version of iPhone listed in February 2011 in favor of the steel panel design. This design also passed on to iPhone4S.4S steel panel consists of four components: two U-shaped steel bars were installed on the top and bottom of the phone, the other two long flat steel bars placed in the iPhone 4S on both sides. These four parts are actually among connection --- they are a 0.65 mm thick plastic to isolate. As far as I know, iPhone4S cellular antenna works is this: It has two antennas, one in the top of the phone, and the other at the bottom. Both sides of the flat steel panel only serve to reinforce the role of the mobile phone structure. GPS, Wi-Fi and Bluetooth signals are transmitted out through the glass panel.
In short, unlike iPhone4 as the entire metal panel to support the antenna iPhone4S only use the phone at the top and bottom as the antenna. Flat on both sides is not conducive to transmit signals, only the structure of the device help, which makes them an integral part of the phone. Unibody iPhone would become possible.
??This is a very interesting theory. In particular, it explained to us outside of what a new generation of the iPhone back panel showed two different stripes: the unibody from a standard Gorilla glass and a big aluminum panel, when the metal part of the back panel to make phone become more solid at the same time, Gorilla glass also allows WiFi, Bluetooth and GPS antenna to send or receive signals. This is a very good choice.
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