22-09-2014, 18:32
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#1
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cf.mega poster
Join Date: Mar 2009
Location: Notts
Services: BB & PHONE
Posts: 1,141
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Samsug S4 acting up.
For the last two days, my S4 has been seeming to partially reboot at random. I can be opening an app, or even just cleaning the screen and it will go blank and the startup logo appear. Anyone got any ideas please? 
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22-09-2014, 18:43
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#2
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[NTHW] pc clan
Join Date: Jun 2003
Location: Tonbridge
Age: 56
Services: Amazon Prime Video & Netflix. Deregistered from my TV licence.
Posts: 21,950
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Re: Samsug S4 acting up.
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23-09-2014, 06:08
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#3
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cf.mega poster
Join Date: Jun 2003
Location: Mansfield
Age: 57
Services: There is no destination to life, the journey is everything!
Posts: 5,533
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Re: Samsug S4 acting up.
Mine has been doing the same since the last update (the one that added Kids mode) Its not a cold/full boot more a hot/soft boot (uptime still states for example 160 hours and not 0.00 hours which is what you would get for a cold boot).
Very random and quite often, in excess of 5+ times a day and the only time I can predict a soft boot is when the alarm goes off and as I use it for my normal wake-up alarm it means I dont often get up in time for my early starts. The links Ramrod provided (thanks) do not offer a solution to soft boot. TBH I aint looked myself yet but I would assume that the best fix is a factory reset. Something I usually do after an update but I didnt this time.
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23-09-2014, 12:09
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#4
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Rafalution
Join Date: Sep 2009
Age: 33
Posts: 5,338
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Re: Samsug S4 acting up.
List of known problems I've gathered that causes the phone to randomly power off.
Battery swell (causes phone to switch off randomly) Samsung still offer replacement batteries.
SIM card read error causes phone to switch off sometimes.
An unrelated horrible bug for Vodafone users is that the phone constantly drops data when receiving an incoming call.
Battery showing any signs of swell?
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All posts are the opinion of myself and don't reflect those of BT or Openreach.
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23-09-2014, 13:09
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#5
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cf.mega poster
Join Date: Aug 2004
Posts: 11,207
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Re: Samsug S4 acting up.
Mine's got an obnoxious mainboard fault that'll cause it to crash and/or soft-reboot if you don't bend the device in a certain way before trying to use any of the onboard audio outputs. And it's nothing to do with the audio hardware itself... Some silly blocking initialization check in the kernel/driver it seems.
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23-09-2014, 13:16
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#6
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cf.mega poster
Join Date: Jun 2003
Location: Mansfield
Age: 57
Services: There is no destination to life, the journey is everything!
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After I posted I installed a launcher, so I'm not using touch wiz. So far it seems OK, so if you have a launcher you can try that may resolve issue.
FYI I'm now using Nova paid for launcher.
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24-09-2014, 05:57
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#7
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cf.mega poster
Join Date: Jun 2003
Location: Mansfield
Age: 57
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Posts: 5,533
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Don't work, still does it 
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01-10-2014, 11:52
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#8
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cf.mega poster
Join Date: Jun 2003
Location: Mansfield
Age: 57
Services: There is no destination to life, the journey is everything!
Posts: 5,533
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Factory reset doesn't do it, although it's not as often.
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01-10-2014, 12:30
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#9
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cf.mega poster
Join Date: Aug 2004
Posts: 11,207
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Re: Samsug S4 acting up.
As I mentioned earlier, common hardware fault.
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02-10-2014, 12:25
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#10
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cf.mega poster
Join Date: Jun 2003
Location: Mansfield
Age: 57
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Posts: 5,533
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Quote:
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Originally Posted by qasdfdsaq:35732263
As I mentioned earlier, common hardware fault.
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Don't think it's hardware, but if it is surely it's s design fault and therefore the phone is not fit for purpose and an exchange would be easy to get.
Also I have had mine for 14 months and this never manifested itself prior to the last update the one where kids mode was installed
4.4.2 K0T49H.I9505XXUGNG8
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02-10-2014, 20:38
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#11
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cf.mega poster
Join Date: Aug 2004
Posts: 11,207
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Re: Samsug S4 acting up.
The fact that it's a common and widely known hardware fault means it's probably hardware.
As for design fault, that depends if it was designed to survive being broken by users.
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07-10-2014, 18:12
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#12
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cf.mega poster
Join Date: Mar 2009
Location: Notts
Services: BB & PHONE
Posts: 1,141
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Re: Samsug S4 acting up.
Thanks guys. I did a factory reset which soled the issue nicely. Still don't know what it was, probably a dodgy app.
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23-10-2014, 16:57
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#13
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cf.mega poster
Join Date: Jun 2003
Location: Mansfield
Age: 57
Services: There is no destination to life, the journey is everything!
Posts: 5,533
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Re: Samsug S4 acting up.
Installed cyanogen 11 yesterday, no issues with phone, no random reboots, all is now well.
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