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Apple 'stunned' to find flaw in iPhone 4

NEW YORK (AP) - Apple Inc. said Friday that it was "stunned"
to find that its iPhones have for years been using a "totally
wrong" formula to determine how many bars of signal strength they
are getting.
Apple said that's the reason behind widespread complaints from
users that the latest model, iPhone 4, can show a sudden plunge in
signal strength when they hold it in a way that covers a small
black strip on one edge of the phone. Users online have jokingly
called this the "death grip" for the phone.
That drop seems exaggerated because the phone can wrongly
display four or five bars of signal strength when it shouldn't,
Apple said.
"Their big drop in bars is because their high bars were never
real in the first place," the company said in a letter to users.
Apple launched the iPhone 4 on June 24 in the U.S. and four
other countries.
Some outside engineers and users have blamed the iPhone 4's
apparent reception problems on the novel design that incorporates
its antenna into the case. But the company said that any phone will
show reduced reception if held in a way that covers the antenna,
usually mounted at the rear and bottom of a phone. It maintains
that iPhone 4's wireless performance is better than previous
models. And it said the incorrect signal-strength formula existed
in the original iPhone, launched in 2007.
Apple, which is based in Cupertino, Calif., said it will fix its
signal strength formula to conform to other AT&T phones through a
free software update for iPhone models 3G, 3Gs and 4 within a few
"We are also making bars 1, 2 and 3 a bit taller so they will
be easier to see," Apple said.
Despite recurring complaints about dropped calls and slow data
service, particularly in the U.S., the iPhone is a standout
success, with each model selling faster than the previous one.
Apple said it sold 1.7 million iPhone 4s in its first three days,
essentially running out of stock.
AT&T Inc., the exclusive iPhone carrier in the U.S., has faced
much of the users' blame for dropped calls and poor wireless
performance. Apple apologized to customers Friday "for any anxiety
we may have caused."

(Copyright 2010 by The Associated Press. All Rights Reserved.)

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