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I think it is more of a placebo effect than anything else. I felt iOS 4 was fast when I first installed it on my 3G. You all know how that turned out! Very soon I had to throw my 3G in the trash because it became borderline unusable with its lag. So I am going to reserve judgement at present. All I am going to say is iOS 5 runs smooth on my iPhone 4 for now.
 
I think it is more of a placebo effect than anything else. I felt iOS 4 was fast when I first installed it on my 3G. You all know how that turned out! Very soon I had to throw my 3G in the trash because it became borderline unusable with its lag. So I am going to reserve judgement at present. All I am going to say is iOS 5 runs smooth on my iPhone 4 for now.

No, I actually do think it's snappier, particularly in Safari.
 
Mine seems slightly zippier.
Mine too, especially when browsing through my over 3500 pictures. I think part of it is just the restore process that was used, which wipes all the data and writes it again. I think that puts everything in order on the flash so it isn't randomly reading from all over when doing things like browsing pictures.
 
Yup, I was slightly surprised to notice the same on my iPhone 4. The device feels very responsive overal, good job on that one :)
 
Not add another "me too", but yeah. Notably actually. I was ready for a bit of a slow down, and willing to accept it, but honestly, everything seems to run a bit quicker, and more smoothly.

As a side note, my Lion update went great, phone update great, migration from Mobileme to iCloud worked perfectly, and I was VERY happy to see an Aperture update when I was done with all that, LOL. (Even THAT is running quicker on my old 2.8Ghz iMac now)! :D
 
I just upgraded to lion and iOS 5 w/ iCloud
everything working "MINT"

:)everything seems much quicker

for everyone having issues they will be ok
 
I'm happy that they ironed out all the animation stutters and now app launches show the complete animation. Before, it was a hit or miss.

Always smooth all the time now.
 
Mine seems so fast, I renamed it "Zippy"!!!!

JK, but seriously, it does seem to run smoother. Except Safari seems to be hanging up sometimes.
 
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