Ios 7 won't install on iphone4?

I have a iphone 4 and the update has been on my phone for two months
Now and I've deleted almost all my pictures and checked all my apps and still says something about more memory. And i have no music downloaded. Any advice?

Try installing ios 7.0.3

How much memory do you have left? IOS7 takes around 750 MB

I had that issue when I was trying to update from ios 6.1.3 to 7.0. I would recommend not updating to ios 7 if possible, but I fixed that issue with my phone by hooking my phone up to my laptop and downloading the update through iTunes and then installing it that way. If that fails then you can let apple update it but they'd erase your phone but you've already seemed to do most of that.

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