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  1. #1
    Junior Member Michaelwatt's Avatar
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    Wifi and Bluetooth won't turn on

    My wifi and bluetooth go a light green when i try switch on but nothing ever connects then t returns to grey. THis goes on for hours and hours.
    Ive done a factory reset and it maybe improved things for a day or so now the problem is back.
    Model Number - GT-I9500
    ANdroid Number 4.2.2
    Network - Vodacom SA
    Please help me to correct this error. This is some seriously bad PR from Samsung we pay out our rear and two or three months later the phone has gone to crap and noone can help me at all.
    Last edited by Leeshor; 10-28-2013 at 06:37 AM. Reason: language

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  3. #2
    Super Moderator Leeshor's Avatar
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    Welcome

    There are several possibilities for the WiFi issue including power management apps or settings, same for blue tooth. The blue tooth problem is a tad more strange than the WiFi. I'm not positive if you are saying that WiFi won't turn on or is it that it won't connect, or just not see any WiFi devices.

    Also, try to remember that this is a family friendly site so keep your descriptions and frustrations a little more family friendly. Thanks!
    SGS3 SGH-i747 / SGS4 (32GB) SGH-i337 on AT&T - and LG Optimus G Pro

    Printing and file transfer tips
    WiFi connection tips. (modified 7/26/13)
    Current Adobe Flash Player for the S4 - direct download 11.1.115.81 2/10/14

  4. #3
    Junior Member ianwensink's Avatar
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    Hello Leeshor,

    I have exactly the same problem. It's not what you suggested that it won't connect or won't show devices, it just doesn't turn on. I bought the phone just last week and from the beginning on there was this problem. When I hit the WiFi on/off switch it switches for halve a second and then it will switch back off again. Same thing with bluetooth (which is a way smaller problem). Please can someone help with this because I can't really use my phone right now!

    Thanks in advance,
    Ian Wensink

  5. #4
    Super Moderator Leeshor's Avatar
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    Welcome Ian
    If you had the problem from the start and it's only a week old I would get it exchanged ASAP.
    SGS3 SGH-i747 / SGS4 (32GB) SGH-i337 on AT&T - and LG Optimus G Pro

    Printing and file transfer tips
    WiFi connection tips. (modified 7/26/13)
    Current Adobe Flash Player for the S4 - direct download 11.1.115.81 2/10/14

  6. #5
    Junior Member LeanSS's Avatar
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    The answer is to do the Samsung Update. They're on it, evidently. I ran the update. My wifi and bluetooth now turn on. Voila.

    BTW i have concluded that the root cause is either a power saving app or MSOffice 365.
    Last edited by LeanSS; 12-25-2013 at 08:23 AM.

  7. #6
    Junior Member john McMurtry's Avatar
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    I have had the same problem with my Galaxy S4. WiFi wont turn on, the wifi button will not turn on. I have had my S4 since August, wifi worked fine until two or so months ago - at a similar time to when I updated to android 4.3..?
    I have deleted and uninstalled the battery saving app that I had installed, but no luck. Bluetooth still works fine.
    Do you have any suggestions, short of doing a factory reset, I would rather avoid that if possible, because I don't want to loose everything else on my phone.
    Thanks

  8. #7
    Junior Member benleah's Avatar
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    Same story - one day my phone just had wifi switched off ... couldn't switch it back on, the button went green for half a second then returned to disabled. Reading this thread I'll try the doftware update but I wanted to add that I don't have (or ever had) the power management apps you guys are considering as a cause.

    Just an aside to the guy who's had his phone less then a week - welcome to the nightmare and brace yourself! I've been an S4 user for just less than 6 months... in that time my handset has been sent off for diagnosis or repair a total of 4 times (through handset faults) and again in that 6 month period I am on my third handset after my mobile provider had to replace it again due to major faults! In fact, in the first 3 months of S4 ownership I had the phone working and in my posession less than 5 weeks in total.

    My variety of problems to date have so far included:
    *faulty internal microphone and earpiece so silent calls and petson on the other end couldn't hear me either. (Affected 2 handsets ... no reason ever given);
    *Phone switched itself off at random (even at full charge) and wouldn't switch back on. (Affected 2 handsets ... no reason given);
    *Battery inflated and couldn't be charged.(Affected 1 handset ... apparently a known manufacturing issue);
    *touch screen non-responsive. (Affected 1 handset ... known manufacturing issue);
    *and now of course can't enable wifi.

    ...despite all this, in the very brief time the phone is usable, it's much better than iphone!

  9. #8
    Junior Member monstermonster's Avatar
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    Quote Originally Posted by Michaelwatt View Post
    My wifi and bluetooth go a light green when i try switch on but nothing ever connects then t returns to grey. THis goes on for hours and hours.
    Ive done a factory reset and it maybe improved things for a day or so now the problem is back.
    Model Number - GT-I9500
    ANdroid Number 4.2.2
    Network - Vodacom SA
    Please help me to correct this error. This is some seriously bad PR from Samsung we pay out our rear and two or three months later the phone has gone to crap and noone can help me at all.
    please someone help me Im having the same problem. my phone is updated and my wifi & Bluetooth don't want to work. it stopped yesterday. does anyone know what to do please!?

  10. #9
    Super Moderator Danvee's Avatar
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    Have you tried all of the advice given above?

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