3gs switches off randomly

i have an iphone 3gs. it will switch off when i attempt a task and then refuse to turn back on again despite a high percentage of battery useage available. i am wondering if this is a regular problem that has a solution or it is just broke? i have tried resetting it many times with no luck.

try backing everything up and restoring the device:
http://support.apple.com/kb/HT4137

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My Iphone 3gs Os 4.3.5 switch off randomly and it wont switch on untill you plug it!!

Since the update for IOS 4 (it could be not related as well) and my iPhone 3gs is switching off randomly
- it may switch off while using any application (Mail, Camera, photos, facebook...etc)
- when you switch on it stays on apple logo until it crush down again,
- sometimes if you try to switch it on again, it give battery low even though the battery could be full
- the only way to switch it on again is to plug it into any power source (PC or wall)
- I'm using the latest version (4.3.5) since i have hope in every released update
if you need any details please ask for it

Honestly I replaced the phone battery with a battery from the local market (I don't even know if its original or not) but it cost me around 50$, and it worked perfectly since then.
so its either the battery is not compatible with IOS 4 or its simply dead!
best of luck with yours...

HT1430 my iphone 4 stopped working suddenly....i held the on button and the home button at the same time and it cam on...is this a fault as i cant have my phone switching off randomly?

my iphone 4 stopped working suddenly....it wouldnt charge or anything...i was told to push the on button and the home button at the same time and it came back on.
is this a fault with the iphone????
i cant have my phone switching off randomly...any help please...thankyou.

sometimes it happens, a hard reset will sometimes solve the issue.
If the issue starts happening more often, I would consider restoring the device to factory settings to install clean software. If the issue still persists after that, the device might need a hardware repair.
More info on backing up and restoring the software: http://support.apple.com/kb/HT4137
Good luck
Stijn

Switching off Random P

I've a Zen V Plus which when I first started using I set on DJ Random play which is great? when I'm just using it to have background music on and therefore not fussed what plays next, however if I want to listen to a particular album it still plays in a? random order rather than by track. Anybody any idea how to switch off random play?Thanks

You may need to reconfigure your menus to get access to the 'Play Mode' menu.
Go System->Player Settings->Configure Menu
You will get a tick list. Make sure the Play Mode is ticked.
Now press the Back key repeatedly until back at the top level menu.
Select 'Play Mode' and choose Normal.

N200 switches off randomly, during boot time and when moved.

Hello everyone,
My 3000 N200 TYPE: 0769-AG2 laptop started to switch off randomly especially when booting, when I moved the machine (i.e.. from one desk to another) or when I pressed gently the bottom left side over the PCI slot.
The situation has gotten worse. I cannot use it anymore due to the frequency of the symptoms.
Actions I have taken:
Operated with AC adapter with and without battery or battery alone.
Cleaned the fan and heat sink.
Replaced the processor's thermal paste.
Monitored the temperature using software.
Formatted the hard disk and reinstalled the preloaded Vista Windows.
Reinstalled the BIOS driver.
Removed one of the RAM memories and swapped places.
Removed the hard disk.
Removed the optical disk drive.
Operated in Safe Mode with and without network support.
Switched off the wifi button.
Excluded through BIOS the PCI LAN and IDE ODD from boot order. Also disabled internal Modem.
And finally, I contacted the UK support where they just suspected a motherboard problem.
None of the actions taken seem to solve the problem permanently. In some cases it worked for quite a while probably due to pure chance.
Remarks:
My machine is out of warranty, yet it is in an excellent cosmetic condition. I only have it for home use. I have never dropped it, smacked it, spilt liquid on it or operated under any abnormal conditions such as on a blanket or a highly humid environment.
*Two of my friends that have the same model face the same exact problem.
*Hundreds of people on the web complain about the same problem with the particular product.
Could it be a motherboard problem? If yes, why did that happen to me and to two persons I know personally?
A motherboard replacement is very expensive relatively to the total value of the product. What could a feasible solution be?
Thank you for your time reading through my issue.

intrasonik,
It sounds like you have taken great care of your system and approached the problem systematically.
I'm going to assume this is not a thermal issue since you have cleaned the fan (and verified it is running) along with replacing the thermal grease. The randomness seems to suggest it is probably not thermal as well.
That the shutdowns may seem to be triggered by movement or pressure in a certain area of the system could suggest an issue with the contacts at the battery or AC, or a short in the system board.
Without doing a repair and some analysis, it would be hard to say with complete confidence.
I agree that the replacement systemboard through service could be perhaps somewhat expensive compared to the cost of new systems with 4 year newer technology. You might consult the hardware maintenance manual on our support site
for part number and proceedure on replacing the system board. You could search online for the best price by the FRU number and I would imagine, could find a reasonably priced board and swap it out.
The service training videos on this system are available here and may also be helpful to you.
Best regards,
Mark
ThinkPads: S30, T43, X60t, X1, W700ds, IdeaPad Y710, IdeaCentre: A300, IdeaPad K1
Mark Hopkins
Program Manager, Lenovo Social Media (Services)
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Using maps, my iPhone 3gs switches off

My 3gs, connected via WiFi, just switches-off after few minutes and I need to make a soft reset to restsrt. This happens with the Apple program Maps and also with the program My Maps. Any suggestion of what is the cause? iOS5 is used.

I have to add that it switch on again only if supplied by the mains or by the Mac. Very annoyng when you are on a trip!

3GS switching off when getting e-mail (push)

My 3GS is going switch off when getting e-mail (push or fetch). It's happen when phone loose 3G network covering - changed to EDGE or GPRS, or during the call (3G enabled). If I switch off push and scheduled fetch here no more problem.
It's happen everywhere in the world.
Any same case or any solution?

Doses the iPhone has that option?
Unfortunately, no.

3gs shuts off randomly

my 3gs (running 4.3.5) shuts off randomly. Can be 30% battery, 70% battery. Maybe a phone call or during a video game. Whats the deal? Thanks in advance for your help.
Noel

try backing everything up and restoring the device:
http://support.apple.com/kb/HT4137

My iPhone 3gs turns off randomly (applecare sent it back as it was!)

Hi, had my iPhone 3Gs 32GB Black since about August 2009. From the outset it has turned off randomly ever few days or so, usually when I am in the middle of a call. I tried resetting the phone. Removing all the apps. etc. etc. but no luck.I stuck with it thinking that the problem would go away or that some future software update would fix the issue but also no luck.
So I took it into Movistar (the dealer for the phone here in Spain) a couple of weeks ago and they duly sent it off to Applecare for repair. Apparently you cannot do that yourself, it has to go through the store.
Anyway, got the phone back today with a really shoddy looking photocopy from AppleCare Service in Cork (Ireleand) saying that " their technicians could not find any problem with the phone..." blah blah blah. and that the problem should fixed by reset!
So what do I do now. I know that if they have not actually found the fault then the issue will persists. The Movistar sales woman said to just bring it back in that case and they would send it off to Apple again (for another two weeks...).
Is there any way I can contact Apple CAre direct about this? Anyone got any suggestions?
Cheers,
Tony

Thanks, but no Apple stores in Spain. Have to go through telco. Movistar. Will just send it back again for repair... see if they can fix it this time or give me a replacement.

Laptop switches off randomly and won't start up

6 down vote favorite2
My problem is that my laptop suddenly and randomly switches off on its own. There is no blue screen, no error messages, the pc just goes off as though somebody pressed the power button. It might happen anytime from within 5-10 mins of starting up, to maybe an hour or two later. Sometimes it works perfectly fine and never turns off. And once it shuts itself off, i can't power it back on. If i press the power button to start the laptop, it turns off again in about 2 seconds before even the POST can start. If i remove and replace the battery and try again later or shake up the CD drive and fan a bit and retry, it might boot up again and run for some random period of time before the same story repeats.
plz help
thanks in advance..

thanx man! but sometimes it works fine like now... but if i shut it down it will repeat the story for several minutes

My phone switches off randomly

in the pastr couple of days my battery just switches off, no warning, no battery drained or anything and when i put the charger on, the battery life is almost half full, i've even resorted to getting a car charger now just to be safe, can any1 assist

I had the same issue. My carrier replaced my device to fix this. There was a problem with the on board memory. I went through a lot of troubleshootig so I hope this saves you some time. Nothing worked for me.. replacement batteries, software reloads, nothing. it would just randomly reboot whether I was using it or not.
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3gs switches off suddenly.

my iphone 3gs always switches off suddenly when there is battery. but cant switch on again unless u charge it. isit battery problem?i tried to restore but doesnt work. anyone help me!

Sounds like either a battery or iOS issue.
The phone will shut itself off when it detects the battery drops below a certain voltage; the battery gauge is really just an estimate of how long the phone has to go given the device's battery capacity and the current rate of battery usage.

Iphone5 switches off randomly

iphone 5 randomly switches off at 25% - 45%
Switches on immediately after plugging it to a charger, displaying the same battery life before switching off (25%-45%)
What can I do? Thanks

Try a reset: hold down the home button along with the sleep/wake button until you see the apple, then let go. (No data loss)

3GS turns off randomly

My iphone has been turning off randomly while using apps and making calls for a while now. I have tried restoring it but does not fix the issue. The phone is 3 years old. I would get a 4GS but since the 5 is coming out later this year Id rather wait for that. But I really need a working phone right now.

You could try to disconnect and after a few minutes reconnect the battery. That theoretically resets the phone BIOS and is supposed to help regarding the reboot issue (see post by NIKKOH007) http://discussions.apple.com/thread.jspa?threadID=2471090&start=2055&tstart=30
Or replace the battery altogether with a newer, iOS 4 compatible battery. At iFixit.com they have come to the conclusion that not all batteries in the 3GS are necessarily iOS4.x compatible or a battery defect may be exposed after updating.
http://www.ifixit.com/Answers/View/31569/Whatis+the+battery+partnumber(s)that+works+withiOS4

MacBook switches off randomly even when connected to mains without battery

Hey, i've had a MacBook for nearly 16 months now and it's always worked ok but recently every time i switch it on, about 1-5 minutes later it will just die and switch off! If i try to switch it on after this it just keeps dying. The only way to get it on and working again, is to hold down the power button until the sleep light flickers and i here a short continuous beep. After this it works fine although the fan runs for the most time on use. I thought this might be a battery problem but i've removed the battery and just run the macbook from the mains and it still switches off in this first period. If anyone knows the source of the problem or could point me in the direction of a relevant post that could help, it would be much appreciated.
Thanks, Ashley.

I suggest you upgrade your software. Tiger is at 10.4.11 now and a lot of stuff has been fixed since 10.4.06
Reset the SMC (System Management Controller) and/or PRAM (Parameter Random Access Memory). Mac OS X: What's stored in PRAM?

3gs switches off randomly

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