We are waiting for the iPhone 4 for several months. And it’s the hottest things this year. However, it is not perfect. There are also many problems in the fourth iPhone
period, the iPhone 4 display problem.
4 iPhone display is called retina (retinal) display technology with a density of pixel of the LCD high. The density of pixels on the screen is 326 pixels / inch (dpi). The resolution of the iPhone screen 4 is four times the previous generation of the second offer unparalleled clarity.
technology can improve retinal display contrast. Apple said the iPhone 4, however, is four times higher than the previous product. Currently, most cell phones are equipped with an LCD, some manufacturers can directly on the surface for processing and display of various functions such as the IPS to improve the visibility of the contrast and color saturation. In addition to making use of IPS technology, the iPhone 4 was a more intensive use of screen pixels and LED backlight technology outsideto improve the viewing angle and color display. There are several different technologies, the image quality of LCD performance even more remarkable.
However, the iPhone screen is scratched and bruised lightly 4. Is replaced there is a place in the forum is on iPhone 4 iPhone 4 screen scratched or shocked within three months. They find it crazy that there are over 100 people who have this experience. One of them said he got his new iPhone 4 only six months, but had to replace the iPhone 4 white canvas three times.
Second iPhone 4 signal problems.
Apple iPhone 4 signal problems, the source of a flood of complaints from customers have a faulty antenna and now Steve Jobs has broken his silence to complain. In an e-mail Jobs downplayed users receive referrals as “non-issue.” Meanwhile, others in Apple iPhone 4 Tips for users to avoid gripping the device from the lower left corner.
metal strips on the sides of the iPhone 4 as an antenna device and the problem of abandonment of the signal seems to appear when the user touches the two black lines on the sides of the metal phone down, confirmed reports of users.
When the first batch of iPhone 4 phones reached the market on Thursday reported that they are more users with problems of poor reception with their new device when the phone by his side metal at two opposite points.
“grip any phone will result in some attenuation of the antenna performance, with some areas worse than others, depending on the placement of antennas . This is a fact of life for each of the mobile phones, “he said in an official Apple press release Thursday.
Jobs also responded to a couple of complaints to his mailbox. A MacRumors reader asked, jobs are what is going on, made on the issue of the signal down, and the CEO of Apple answered his typical brief manner: “To avoid continuous problem not just like that .. “
Apple currently sells a” Bumper Case “rubber for the iPhone 4 (see photo above), only the sides of the unit, which Barb Dybwad Mashable whether this shows that Apple knew about potential problems with the reception The phone covers made.
PCWorld has also its own tests of the iPhone 4 signal and took the new phone for a trip to San Francisco next to a iPhone 3G. PCWorld can not reproduce the problems of signal when the lower edge of the phone, which was not the case when the phone is flat with the antenna untouched on the table. This section of the TOPONS.COM come please indicate the source if retweet, thank you!