Why does iOS 8 needs extra storage to installed

Discussion in 'iPhone Tips, Help and Troubleshooting' started by dare2winn, Sep 23, 2014.

  1. dare2winn macrumors newbie

    Joined:
    Sep 23, 2014
    #1
    i have iphone 4s and its total storage capacity is 13.6 GB approx and as far i think ios 7 also has occupied some space to be installed so why doesnt ios 8 uses that memory while installing ? and i have read lot of rumour that ios 8 makes device slow specially iphone 4s so when i feel i did mistake installing ios 8 then is there any process to downgrade to ios 7 agian? if yes what is the safest process? please help
     
  2. AppleSarge macrumors newbie

    Joined:
    Sep 22, 2014
    Location:
    MN
    #2
    I am not sure why, but I believe my 64gb iphone 6 was at 59gb out of the box
     
  3. dacreativeguy macrumors 68020

    Joined:
    Jan 27, 2007
    #3
    Because you always have to have some sort of operating system running. In the old days, you booted your Mac from CD and the OS ran off of that. You need double the space to upgrade your iPhone because you have to copy the iOS8 files to the phone and use iOS7 to install them. Once installed over 7, the iOS8 installer you downloaded is erased.

    If you connect the phone to iTunes, just turn off music or video synching to free up space, do the update, and then turn the synching back on. Worked fine for me.
     
  4. dare2winn thread starter macrumors newbie

    Joined:
    Sep 23, 2014
    #4
    thanks for the great info
     

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