FaceTime
iPhone 4 is one of the most interesting and wonder at the innovations FaceTime Video Calling with the name that is commonly used. But iPhone Video Calling technology with traditional mobile phones and video interview, which is usually identified with 3G technology is somewhat different.
Because the internet connection is done via interviews with FaceTime. Although FaceTime application interfaces, and telephone number associated with the phone, though, GSM operators classic interview infrastructure used during the interview. Therefore, discussions with over FaceTime conversation is not reflected as a faturamıza.
Apple, for the moment FaceTime'ın allowed to run only over Wi-Fi because it does not really pose a problem in terms of cost of data traffic. Because most people in our country use or unlimited Wi-Fi internet connection, either free, or limit high. However, the future of 3G internet connection via Apple FaceTime permit negotiations, these negotiations will need to pay attention to mobile data package, how much would lead.
FaceTime'ın operating logic is quite simple. The iPhone 4's book if you have one user and one of the users contacts from your iPhone 4 or iPhone 4 with the user in the other using the Phone application FaceTime calls, Apple's servers, telephone number, and device number on the basis of this map the two men over Wi-Fi
Camera
Another important change in the iPhone 4 is the emergence rear camera 5 megapixels. Therefore, 2 MegaPixel MegaPixel the iPhone 3G and the iPhone 3GS than 3 can shoot high quality photos. In addition, the arrival of the front side and the back side near the camera attached to a camera shooting night light (flash), the iPhone 4 is the camera application has changed a bit.
If we want to select the manual mode or automatic mode using the flash no longer can make shots in the dark. In the meantime, Flash light can be used both for still image and video shooting. This feature is obviously supposed to be the first iPhone model, so you do not need to make another comment
5MegaPiksel'lik camera pictures taken with iPhone 4, iPhone 3GS camera, including the extreme difference in quality compared to the very subtle. Naturally, the pictures taken with the iPhone 4 higher resolutions and sizes. However, the difference in quality between them but the pictures are magnified detail 3GS farkedilebiliyor examined.
But at the same angle with the iPhone 3GS and iPhone 4 as well as a small difference compared to the photos I took close-up occurs. Incident light as in the photo above, better than iPhone 4 camera is set.
Both touching any part of the camera photo (ie, without focus), although not to draw pictures taken with the iPhone 3GS is a bit darker.
A similar situation can be observed only in close-up shots, but shooting landscapes. The above image is taken with the iPhone 4 and 3GS, according to the captured image look more beautiful.
Of course I'm not an expert in photography, what you see is what you share with just my eyes
Micro SIM
In the second part of the study before completing the iPhone 4, iPhone 4, also used as iPad'deki Micro SIM event touches on a little more I see the benefits. In fact, "Frequently Asked Questions About the iPad entitled" article explained this subject in detail. To summarize briefly Micro SIMs, SIM cards are already used in smaller sizes.
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