http://www.apple.com/pr/library/2010/07/02Letter-from-Apple-Regarding-iPhone-4.html http://www.apple.com/pr/library/2010/07/02Letter-from-Apple-... > "We have

http://www.apple.com/pr/library/2010/07/02Letter-from-Apple-Regarding-iPhone-4.html http://www.apple.com/pr/library/2010/07/02Letter-from-Apple-... > "We have discovered the cause of this dramatic drop in bars, and it is both simple and surprising." > "Upon investigation, we were stunned to find that the formula we use to calculate how many bars of signal strength to display is totally wrong. 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." People were actually meant to believe that Apple had a software bug for how they calculate signal strength all the way up to the 4th iPhone and instead not scratching AT&T's back making their network look better than it was. You know, this Apple with the futuristic wireless testing facility: http://www.engadget.com/2010/07/16/inside-apples-black-lab-wireless-testing-facilities/ http://www.engadget.com/2010/07/16/inside-apples-black-lab-w...