Does updating my iPhone to ios 7 use my memory?

I have about 4.8 gigabytes of usage left, and I saw that in order to update you need 3.2 gigabytes, so will it only leave me with less than a gigabyte of space?

I'm not sure of the answer but why not temporarily take off some of the stuff then put it back when IoS7 has updated. It only needs the room to work in not to keep permanently.

  • Will updating my iPhone apps affect my phone speed as how updating the Operating System (OS) will? Currently I'm using the iPhone 5s on iOS 8.3 I know if I were to update my phone to the latest OS I may notice some slowdown on my phone's performance, since it may not have the "muscle" to handle certain functions. Many apps now are optimised for iOS 9 and/or the 6th generation phones. Will my 5s' speed performance slow down if I update my apps? Will the app's performance slow down?
  • Will updating my iPhone 4s take up more memory? I still haven't update my iPhone 4s to the latest update due to not enough memory left. I needed 2.8 GB in order to update it, so I deleted a few videos and apps and now have exactly 2.8 GB left of space. If I do the update, will it take up the rest of the space on my phone? (the 2.8 GB considering it needs 2.8 to update)
  • Will updating from ios 6.0.1 to ios 6.1.2 remove everything? I know that if you 'Majorly' update your iPhone it will erase everything from your iPhone like updating ios 4 to ios 6, but what if you are just updating your iPhone from ios 6.0.1 to ios 6.1.2 on the same version, is there any difference or it will also remove everything?
  • Why can't I use @icloud.com email address after updating to iOS 6? I've updated my iPhone to iOS 6 and according to Apple I'm supposed to receive an @icloud.com email address that matches my @me.com address. But why can't I log in with the supposedly new address?

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