A lot of people have asked the question as to what the iPhone 4.0.1 antenna bars now look like in the new change of the height of the bars. If you look to the right you’ll see iPhone 4.0.1 on the top vs iPhone 4.0/3.x below it followed by what Android shows.
You can see that the first two bars have been increased in size so it’s much more easier to read them. Along with that Apple also changed how many bars they show in the algorithm so with 4.0.1 applied most people will in hard to reach places now see less bars, e.g. 1 bar instead of maybe 3 to 4. Effectively iOS3 and iOS4 wasn’t telling the entire truth about how many true signal bars you have. The truth is dependent on the algorithm used to calculate the bars. That’s why sometimes you would see 3 or 4 bars but you couldn’t make a call or a call would be dropped.
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