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Report Problems With The Phone's Screen And Antenna
Since the iPhone 4 launched last week, thousands of consumers have complained that when gripping the phone around the lower left-hand corner of the device, the signal degrades or calls are dropped. Apple acknowledged the problem, and explained that customers were simply covering up the antenna with their hand. CEO Steve Jobs told consumers the best way to fix the issue is to hold the phone differently. His other piece of advice: Buy a $29 rubber bumper to put around the phone so you don't cover up the antenna.
Now the company says its engineers have made a "stunning" discovery. People may be finding that their reception is poor and that calls are being dropped not only because they're holding the phone wrong, but also because they think they have a better signal than they actually do. In the statement, Apple says that it had made a mistake in the formula that calculates the number of bars that display the signal strength on all of its iPhones.
"We were stunned to find that the formula we use to calculate how many bars of signal strength to display is totally wrong, " it said in a statement. "Our formula, in many instances, mistakenly displays 2 more bars than it should for a given signal strength. For example, we sometimes display 4 bars when we should be displaying as few as 2 bars. Users observing a drop of several bars when they grip their iPhone in a certain way are most likely in an area with very weak signal strength,nike shoes outlet, but they don't know it because we are erroneously displaying 4 or 5 bars. Their big drop in bars is because their high bars were never real in the first place. "
Apple CEO Steve Jobs likely quieted the outrage over the antenna issues surrounding the iPhone 4, but he sure didn't have fun doing it.
A clearly annoyed Jobs took the stage at Apple's headquarters in Cupertino Friday to announce that all iPhone 4 users would be receiving a free case to solve reception issues caused by the phone's exterior-antenna design. Apple's first response to the outcry was to change the way it displayed signal strength on the iPhone to give users more confidence in the accuracy of the signal, but Jobs acknowledged Friday that AT&T data showed the iPhone 4 dropped more calls--albeit by a small margin--than the previous model,abercrombie & fitch UK, the iPhone 3GS.
The cases have been shown to greatly reduce the signal-degradation problem, and the bumper--essentially a rubber and plastic case with no back surrounding the edges of the phone--was the top-selling iPhone accessory in Apple's online store prior to Friday's press conference: Jobs said 20 percent of iPhone buyers also left the store with a bumper. Those who have already purchased the bumper will be able to get a refund,pink timberland boots, and those who haven't will be able to get either the bumper or another special case designed to solve the problems, Jobs said.
That will likely be enough to make an annoying headache go away. Jobs and Apple took flack from public-relations experts over their initial response to the issues raised by early iPhone 4 testers, but admitting the problem was real and supplying the free cases will solve the image problem without the significant expense--and damage to Apple's reputation--that a hardware recall would have entailed.
But hold on a second. How exactly will this ensure that the new iPhone 4 doesn't drop a call? The answer is that it probably won't.
"If the only thing that Apple is changing in this software fix is how the bars are calculated, then this is simply a pacifier for people who like to watch bars, " said Spencer Webb, president of AntennaSys, an antenna design firm. "And signal 'bar watching' is a dangerous way to draw technical conclusions about a phone's reception. "
Indeed, the bars that one sees displayed on any cell phone can be misleading. This is not just an issue for the iPhone, but for all cell phones, Webb explains.
Cell phones are usually within range of multiple cell sites. Cell towers in these areas are constantly pinging devices and handing off signals. So it's difficult to truly assess the strength of a signal simply from the bars displayed on the phone. There are also other issues to consider when talking about reception, such as how crowded the network is. Any of these factors can cause a call to be dropped. And when customers are talking about low signal strength and poor reception, dropped calls is what they are really talking about. If the signal is weak and the call stays connected, no one cares or notices (except that a weak signal will also run down the battery on the phone faster).
Customers look to the bars on their phone to help them gauge the likelihood that they can make the call and keep the call going.
Besides, though lines for the iPhone 4 at Apple Stores around the world are as long as ever, with some stores already selling out, a group of early owners are reporting problems with the iphone 4 white screen.
When powered up,nike shox running shoes, some phones experience yellow screen discoloration or a constellation of white spots. Meanwhile, others are experiencing reduced call reception when holding the phone a certain way. Then there's the thing with the volume control. "Although it isn't going to change your life, it looks like a few iPhone 4s are coming off the assembly line with reversed volume buttons, " Apple news blog 9to5Mac reported Friday morning. One reader reported that the button with the "" icon increased volume, while the button with the '+' icon reduced it. This article originate from the TOPONS. COM, please indicate the source if retweet, thanks very much!Topics related articles：


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