iOS 4.0.1 for iPhone, iOS 3.2.1 for iPad available

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Apple released iOS 4.0.1 Software Update for iPhone 3G, iPhone 3GS and iPhone 4 as well as iOS 3.2.1 for iPad.

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Apple did not address much about the iOS 4.0.1 Software Update for iPhone, except:

Improves the formula to determine how many bars of signal strength to display

As for the signal bar display adjustment, AnandTech has a detailed study. In short, iOS 4.1 (or iOS 4.0.1) has better equaling the width of each bar.

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(image courtesy of AnandTech)

The results are conclusive - Apple has dramatically changed the signal strength to signal bar mapping in iOS 4.0.1 and the iOS 4.1 beta, making the dynamic range not only much broader, but the range values for each bar much wider. The range of signals that correspond to bars three and four are the same width, and bar two is only slightly less.

The cutoff value for two bars to one bar remains the same, but every other value has increased. The result is that the worst case drop of 24 dBm no longer makes all the signal bars disappear, but rather two.

There are more fixes and improvements for iOS 3.2.1 for iPad:

iOS 3.2.1 Software Update for iPad
This iOS software update for iPad contains bug fixes and improvements, including the following:
  • Improved Wi-Fi connectivity
  • Fixed an issue that could prevent copy and paste of single-page PDF attachments in Mail
  • Addressed an issue that could cause video playback to freeze
  • Improved reliability of video-out when using iPad Dock Connector to VGA Adapter
  • Added Bing as an option for Safari's search field

The iOS 4.0.1 and iOS 3.2.1 are available through iTunes.

Join our discussion - “iOS 4.0.1 for iPhone and iOS 3.2.1 for iPad released” at SillyDog701 Message Centre


Posted by Antony at July 15, 2010 11:06 PM

>> more MacCentre701 July 2010 reports.