IOS 7 won't verify and says try later. Why is this?

I'm downloading iOS 7 for an iPhone 4s but am wondering what I should do when it says verifying and then says try again later. Why won't it verify just yet? I've heard it's very popular but can someone tell me why this is happening?

My iPhone doesn't realise there's an update?

I have an iPhone 3G (still) and the iOS 7 update came out like 2 hours ago and my phone still says 'your software is up to date' even though I haven't updated it… How do I get it?

Should I update my iPhone 4 to iOS 7?

I'm just wondering if my iPhone will be able to handle the new update. Will it be any laggier or slower? It's currently on iOS 6.1.3 and it can be a tad bit laggy at times already. Has anyone who has updated with an iPhone 4 experienced any issues?

Added (1). I'm well aware of the release date and the amount of traffic Apple will have on their servers due to all the people downloading iOS 7. I want to know if downloading iOS 7 on my iPhone 4 will cause it to be slower, not if I should download it on the release date, which by the way is today.

Is iTunes and Everything Else Apple Running Really Slow for Everyone?

I'm trying to download ios7 but did not have enough space on my iPhone. So I did a full system restore and am trying to restore the iphone now, but itunes will not connect to the store and I can't restore from wi-fi either.

Added (1). EDIT: I'm also trying to install iTunes 11 to see if that will solve the issue, but the setup.exe file has taken over 20 minutes to download as well.

How to post to FB via iOS 7?

I just updated my iPhone to the latest iOS platform- iOS 7 (00-18-2013)

In my previous version… I could swipe down anywhere within the ios and there was an app icon saying "post to FB"
in the newest iOS 7… I can't find it anywhere… Although I have found that I can ask Siri. And she brings it up for me… But where is it for me manually to bring up?

Why won't my iPhone 4S update to ios 7? - 1

I bought it from someone on Craigslist it's AT&T unlocked using on t-mobile what could be the problem? I checked a few times it said 6.1.3 is the newest but my friends are updating to ios 7 fine

Will IOS 7 delete my photos ect?

I have an iPhone and I'm going to download IOS 7 but I'm worried that it will delete my photos and music and apps (I don't care about apps) but I still don't want to lose them? So does anyone know if it will delete my storage or not?