IPhone 4S overheating when not in use.

Hi
I have an iPhone 4S, which seems to be having some sort of freak out. In the last 3 or 4 months it has started overheating (to the point where you can barely bear to handle it) while not in use. I have, at least 5 or 6 times, taken it out of my pocket/bag and found a dotted screen and the phone practically on fire. I always turn off apps when I'm done using the phone as the battery isn't the best and I am often unable to connect it to a charger for very long periods of time. Quite often it cuts out without overheating and regularly shows that it has signal, when in fact, calls don't get through and I end up with a stack of voicemail messages.
My secondary role involves emergency response, and I am reached by phone, so this simply cannot happen.
What should I be doing to resolve this? Or is it time to visit the techs in an apple store? Any advice would be greatly appreciated!

Have you tried restoring and setting up as a new phone (i.e., not restoring from a backup)? Sometimes those backups bring along whatever is messing up your phone.

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I have an original iPhone which has been updated to 3.0. Since the update I've noticed that the phone will spontaneously restart itself when not in use. When this happens I'll notice the screen light up with the silver Apple logo and then go blank. This will happen repeatedly. While this is going on I can't use the phone until I plug it into the computer. Once iTunes does it's thing the phone will return to normal for a while - sometimes a day or two - before repeating this behavior. I have reset and restored the phone but without solving the problem. Apart from this everything seems to be working properly.
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Have you tried restoring and setting up as a new phone (i.e., not restoring from a backup)? Sometimes those backups bring along whatever is messing up your phone.

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Overheating when not in use

For the last few days my MacBook has started to become extremely hot when not in use. While I am using the MacBook it is not hot, this issue only arrises when I am not using it. The energy savings are 3 minutes for computer sleep and screen sleep. I can hear the internal fan is still working.
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The condition has continued. After selecting sleep and putting the computer to sleep, it will start up again at will without any interaction. This occurs when disconnected from the internet.
There have been no changes in configuration or installation of new software.
I thought this awakening of the computer could be a character of a virus program or Unix maintenance programs. But this didn't occur before and no matter now many times I put the computer to sleep it continually awakes. All I can assume is some component in the system has changed by itself.
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I used my friend itune to transfer songs to my iphone 4 but when i am using itunes from my laptop i am not able to tranfer songs to iphone.. but from my friends laptop is working.. why and what need to do ?

I used my friend itune to transfer songs to my iphone 4 but when i am using itunes from my laptop i am not able to tranfer songs to iphone.. .. why and what need to do ?

I would suggest that join your iphone with iTunes and do not sync. Than in your info window of iTunes uncheck auto sync of songs and videos. Check Mark for manual selection of songs. Also uncheck sync of songs window. After this sync your iphone and manually copy your songs from your iphone through itune by opening music under your iphone icon in the left status bar and copy to your laptop music folder. I think it would help out. I did same for myself. Try out. TC

IPhone 3g shuts down randomly when not in use.

I'm running iOS 4.0 on my iPhone 3G, which I bought used. It shuts down by itself randomly when not in use a few times a day. It never shuts down when in use or when plugged in. I've seen other posts on something similar but no solution. Please help

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I just bought a new apple iphone 4S and its has green and purple striples on it when not in use, is this norm? I took it back to the Verizonwirless and they said it was from the display protector on the screen?

it was from the display protector on the screen?
Most likely that is the reason. I have a screen protector on and see similar issues when the iPhone is not on. They're not noticeable when turned on. Remove it and see the difference.

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Mac OSX 10.6.8 Should I keep it in sleep mode when not in use to shut down?

My experience with electronic tends to revolve around thermo stress, and removing all power vs going to sleep tends to be more or less the same. Many components have power totally taken away, and others use so little power they cool off.
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everything rudegar said is right on. Still, 10% overnight is more than you would expect - so something is still running. try-
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you mentioned airplane mode is 'off'. this may be a terminolgy thing - but having airplane mode 'off', means that the radios are on. WiFi, and 3 G if you have it. turning airplane mode "on" turns off the radios.
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Phone is using data when not in use. How do I make it stop?

My iPhone 4S is using data when not in use. Any thoughts on how to make it stop?

Hello Oakleymp
You could always turn off cellular data in Settings to get it to stop using data while it is on standby. Another option to troubleshoot the issues is to reset all settings, go to Settings > General >Reset > Reset All Settings.
iOS: About the Cellular Data setting
http://support.apple.com/kb/HT4203
Thanks for using Apple Support Communities.
Regards,
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HT4623 my phone does not dim when not in use ?

-my iphone does not diim when not in use, the problem start two days ago, it is only 12 months old ?

Hey Teltee,
If you haven't already, I would double-check your Auto-Lock settings and make sure they haven't changed:
Auto-Lock
Locking iPhone turns off the display. Nothing happens if you touch the screen. You can still receive calls and text messages, an you can adjust the volume and use the mic button on the iPhone Stereo headset when listening to music or on a call.
Set the amount of time before iPhone locks
Choose General > Auto-Lock and choose a time.
via: iPhone: About General Settings
http://support.apple.com/kb/TA38641
Welcome to Apple Support Communities!
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Delgadoh

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am just wondering if anyone experiencing battery draining when not in use? i charge my iphone4 before going to bed and woke up this morning to realise that my battery had drain 22% on stand by... is this normal? can anyone confirm it to me please, thank you

Just an update guys --after draining (on standby) over 20% of my battery charge last week, it has risen to or about 40+% in the last couple of days. I haven't changed any settings or whatsoever. I had to charged it twice during the day yesterday and it was bloody frustrating. anyway, i went to the apple shop today and told them the problem... they scanned my iphone4's battery and it was evident and showed when was the last time it was charged and how much battery life has it lost throughout the day. After scanning my iphone we did not even have to discuss repair or do any setting or software checks. I was gobsmacked --as i did not have to ask for a replacement, I was immediately offered a swap to a brand new iPhone4... lucky me? umm, i don't know...maybe? But the thing is, they seemed to be aware of the problem and they are keeping a low profile on tackling the problem. so my suggestion is if anyone has a battery problem with their unit, take it to apple and have the battery scan. As such, i have to wait and see if this new unit will present the same problem, although i must admit, for some reason, this new unit has a slight different behaviour than my previous iphone4.
Other issues on my previous iPhone4:
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2. if i turn off my "phone" feature on the multitasking bar, red dot appears on the phone icon and i couldn't make a call as it seemed blocked and it kept asking me to set-up the voicemail feature every time --again, not a problem with the new unit.
3. even my tomtom app has changed its behaviour, i have discovered new features without updating the app --strange isn't it?
4. playing NOVA game was a pain with the previous unit as i kept getting network problem and interrupting the game.
5. it kept shuffling my music when i'm using ipod whilst walking. imagine, hearing about 8 different tunes in a span of 5 seconds...
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Providing you have a robust firewal and are not worried as a result about being hacked then leave it turned on and allow it to sleep. Make sure you allow the screen to sleep as well a that is the item that is more prone to damage by being left on all the time.
I never turn my machine off, never have with any of my Macs ever since my first one back in 1979-ish and have never suffered any adverse affects. Today, the power drain is so small when allowed to sleep that I doubt they would offend even the ardent 'turn off everything and pull out the plug to save the planet' person.
If you have an iPad or iPod synced with the Mac for email and iCal and address Book etc. then if you leave it on it should be up to date as soon as you return home, mine is anyway. With iCloud coming out very soon that may come into play even more so with all its advance pushing etc. Just a thought.
One advantage in leaving the machine on (sleep) is that you can access it from anywhere in the world should the need arise with the appropriate settings, which you can't if you turn it off.
Leave it on.

Am I supposed to leave the display plugged in when not in use?

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Sure, you can leave the display plugged into the socket, provided you turn OFF the display itself. There must be somewhere some switch or touch button that will turn the display OFF.
Usually, those displays use a lot of power, so it's better to save
I shall add an unrequested piece of advice: if you don't this already, please use some kind of electrical surge protector
<http://en.wikipedia.org/wiki/Surge_protector> to connect your computer, display, printer, router, etc to the wall socket.

IPhone 4S overheating when not in use.

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