1. Imaghost1's Avatar
    I'm trying to upgrade my galaxy s4 operating system from the 4.3 jellybean to the 4.4 kitkat. I went into my software update and it says it's up to date so I'm guessing I have to obviously do it manually. So the first step is rooting my phone yes? Then what? Much help in detail would be appreciated.
    07-12-2016 02:59 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which exact S4 model is it? Check the Settings>About Phone>Model Number.

    Have you tried using Samsung Kies or Samsung Smart Switch?
    07-13-2016 02:43 AM
  3. bnichols23's Avatar
    You may not be able to. If your carrier is straighttalk apparently their phones are locked & can't be UNlocked. If your model is SM-S975L like mine, the thread here may help. One person says no, but another does give another idea to try. Good luck!
    06-22-2017 09:28 AM
  4. bnichols23's Avatar
    Sorry, link to thread pasted but apparently didn't take., Here it is -- https://androidforums.com/threads/up...s4-os.1157937/
    06-23-2017 12:34 PM

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