On the night before the news conference iPhone 4 , Apple has released IOS 4.0.1 surprise . This update brings a change only for iPhone 4 , 3GS , and 3G .
IOS 4.0.1 ” improves the formula determining how many bars signal strength to show . ” As Apple released a letter earlier this month , the company has used a formula ” completely wrong ” to calculate the signal strength . ” For example, sometimes we show 4 lines only when we should show only two lines , ” Apple wrote in his letter .
This update also brings some minor changes to the signal lines themselves , to help accurately than the iPhone’s signal strength at the lower levels .
Like most of the IOS software update , version 4.0.1 includes a complete copy of the entire operating system . Currently in the IOS iTunes 4.0.1 ready . To download and updated for iPhone , connect your iPhone to your Mac or PC , and click ” Check for Updates ” in the summary screen in iTunes devices .
You can download the supported IPSW file for your iPhone from the links below.
(source: denthan)
