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  1. #1

    Member Since
    Oct 25, 2009
    Question re: iOS5 on iPhone 4
    Will putting iOS5 on my iPhone 4 slow it down at all? I'm weary to install it because back when I installed iOS4 on my 3G, it slowed it down tremendously, almost to the point where it was too slow to use. I know the iPhone 4 has much faster hardware in it than the 3G, but will the same thing happen or is the 4 able to handle it so that it won't make the device slower?


  2. #2

    Ramimac1's Avatar
    Member Since
    Dec 29, 2010
    Las Vegas
    2010 i3 27" 16gb Ram
    I have not noticed any slowdowns.
    Old time Computer Hardware Tech
    Ohh My Typing Sucks Live with it

    Snoopy is the Man !!!

  3. #3

    MYmacROX's Avatar
    Member Since
    Mar 17, 2009
    2008 15" MBP Yosemite, 2012 21.5" iMac Yosemite
    According to this iOS 5 review on, it runs "as snappy as ever" on iPad 2 and iPhone 4. I've been running iOS 5 on my iPhone 4 since Friday night and I've noticed some apps open faster and it does seem slightly more responsive. Definitely not slower by any means.
    64GB iPhone 6, 64GB iPad Air 2.

    Reminder: Please include your Mac's specs. This will make it much easier for the other members to assist you.

  4. #4

    Member Since
    Oct 25, 2009

  5. #5

    mrplow's Avatar
    Member Since
    Oct 01, 2007
    Mac Mini i5 (2014 High Sierra), iPhone X, Apple Watch, iPad Pro 12.9, AppleTV (4)
    I've not noticed any obvious battery drain differences (apart from geo-fenced reminders - but that's to be expected).

    Speed-wise it seems snappier than.

    I've had a few app issues where they haven't been updated/tested with iOS5. E.g. spotify - higher CPU use, ok on it's own but can 'stutter' it it's backgrounded.

    But all those little bits will work themselves out. Pros still outweigh the cons IMHO

    Please use the reputation system if you think you've been helped - bottom left of this post

  6. #6

    j0nb0y32's Avatar
    Member Since
    Sep 16, 2011
    Doha, Qatar
    MacBook Pro 2.2 i7 + MacBook 2.2 Duo 2 (late 2007) + ATV2 + T/C-2Tb + iPhone4 + iPad2 (64gb wifi)
    I think it is just as fast as the previous one. In some instance it appears faster, opening web pages for example.

    All in all - a tremendous upgrade.


  7. #7

    Member Since
    Oct 19, 2011
    I haven't noticed any changes on mine, either. I have a 4.

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