Why can't i get ios 7 on my iphone 4?

Its available in my area and everything cause my friend got it on her ipad already. But I go to settings and the update thing and it says "ios 6.1.3 your software is up to date"? Is it not compatible with the iphone 4 or something?

Wait for few more hours and try again.iOS 7 update is supported on iPhone 4

  • Why can't I get the iOS 8 update for my iPhone 5c? I'm trying to get the iOS update for my iPhone 5c. I don't want to do it on my phone since I don't have enough storage for it, so I tried on the computer. But every time I try to update it through iTunes it says ERROR 9006, just like in the picture. Does anyone know how to fix this? Or what is the problem?
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