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Because if you ever need to fully restore your device iTunes needs the full ipsw. So I guess apple doesn't want you to download the delta and the full ipsw.

That seems ridiculous since you'll have to download the delta (from your phone) and the full IPSW (from iTunes) if you have to restore an OTA updated phone. Plus, if download bulk is really the concern, most people don't have to restore their iPhones. Apple would surely come out ahead letting users delta from iTunes and then having some of them download the full IPSW....

Hopefully in the future deltas will be on iTunes as well as OTA.
 
I am at work on my Work Wifi connection and I just went to the software update part of my iPhone 4s and it said their was no update

I then went to the bathroom, came back and double checked it and BAAM, it was downloading.

Weird

This is exactly what happened to me, I mean to a T. Mine was a number 2, was yours?
 
OTA now live in Canada

Carrier: Fido
Country: Canada
iPhone 4S 64GB
Size: 55MB
 
At least in part this seems to work by changing how the phone displays the charge left in the battery. When my phone restarted to apply the update, battery was 97%. It was 99% after restarting.

Reminds me of the "bars" thing.

This is typical behaviour of battery indicators, not just due to this update or exclusively iPhone. It has something to do with battery calibration. Or something.

The battery indicator always had an inclination to fluctuate slightly after a reboot.
 
currently downloading on my 4S and iPad2
showing as 55.5MB for the 4S and 53.1MB for the iPad2

wonder why the update is larger for some and smaller for others
 
I'm still a bit cautious about saying this, but it 'looks like' this update has fixed the iCloud push email issues I was experiencing.
Initial testing shows that the mail app no longer has to be running for push to work!
 
Crossing my fingers... don't forget to turn on your location services everyone so we can truly test the update.
 
uuuhm looks like their "fix" involved changing the way the % displays. kinda like the wifi bar bs

While I think they might have tweaked that (and with good reason - it's been flawed since iOS 1.0), that wouldn't fool anyone actually monitoring how long the battery lasts.
 
So, I'm downloading it OTA to my iPad which is tethered by Bluetooth to my iPhone which is, in turn, connected to Swisscom 3G!
 
Wirelessly posted (Mozilla/5.0 (iPod; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3)

Just showed up on my 4th gen iPod touch. 40.1Mb
 
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