Phone shuts off in sleep mode

over the past few days, when the iphone goes into sleep mode, it shuts down completely. This only happens in the sleep mode. If the leave the display on, without putting it in the sleep mode, the phone stays on. Also, the battery level indicators shows full strength, but in the setting mode, under usage, the usage and standby times are blank. It indicates that the usage and standby times will be displayed after iphone is fully charged. Is there a problem with the battery? Is that why the iphone keeps shutting off. I tried to reset the phone, but the problem presists. Do I need to completely reset it using itunes?

Exactly the same thing happened to me after upgrading to 1.1.4 firm. Did you solve it? I can't take the phone right now to the Apple Store, as I'm working in Spain. It seems to be a software problem, as it was working fine with firm 1.1.3.
Need help, don't want to be without my iPhone so much time...

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I'm using a MacBook Air Mid-2012 and a 2TB WD External HDD that uses it's own power supply.

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Hi
I realized that my Pismo occasionally shuts off while in sleep mode. When I press a key to wake it up the pulsating green light turns off and I need to press the on/off-key. The computer then reboots normally.
Thanks! Felix

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In meantime, it is not "occasionally" but always.
1. PMU-reset with the small button on the rear did not help either.
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I guess I will take everything apart again and make sure that my own logic board runs in there. Maybe the logicboard of the eBay-Pismo was damaged together with the power boards and AHT doesn´t recognize it (System Profiler shows an error with regards to the sound system, but sound works).
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You may improve some of your power issues by resetting the SMC on your iMac by using the instructions found here: http://docs.info.apple.com/article.html?artnum=303446
The only other thing I can think of, outside hardware/power supply problems, is your power is getting cut off for a brief period. You can go to System Preferences > Energy Saver > Options > you can CHECK 'restart automatically after power failure' - if this is already selected, then I would think it maybe a hardware issue... let us know
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My problem is that I cannot let me phone turn off or sleep too long without it going into recovery mode! It becomes very stubborn to get out and also extremely annoying! Need a permant fix!!
No warranty left -_-

Guitargirlcaz wrote:
I've checked with Apple. They only give 28Days warranty now :'(
Whoever told you that is wrong. The warranty on a repair or replacement iPhone is still 90 days minimum. Quoting from their Service FAQ:
If defects arise as a result of service, Apple will cover the repair for the remaining term of the iPhone's warranty or 90 days after iPhone service, whichever provides longer coverage for you.
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Page 34 of the manual:
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Restart iPhone: Press and hold the Sleep/Wake button until the red slider appears.
Slide your finger across the slider to turn off iPhone. To turn iPhone back on, press and
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Reset iPhone: Press and hold the Sleep/Wake button and the Home button at the
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This just started to happen to my mac pro quad intel running the latest SNOW software. My mac shuts down in sleep mode. I tried to zap pram, but it ill not allow me to do this.
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godlovestodance,
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In your current setup, is it your 1 TB HDD or your 256 GB SSD that is in the optical drive bay?
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I-phone shuts off, I have to hold the home and power button at the same time to get the icon to show up. Then have to hold the home button. I'm restoring my phone multiple times a day just to get it to work. help!

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See this veeeeeeeeeery long thread.
https://discussions.apple.com/thread/3404857
It's an issue with hundreds of phones. Some claim it's software related, some hardware, some say it's a mixture of both.
Some people have had temporary success with quitting the Phone.app / restoring as a new phone / restoring from an iCloud backup / disabling Siri / toggling speakerphone on & off...
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So far the only solution that seems permanent has been to replace the phone. But even so, it's the luck of the draw to recieve a functional phone, and not another faulty one.
I'm completely annoyed as there is no Apple Store near me...... and Apple haven't even acknowledged the issue, despite the above thread being 34 pages long, as of writing.

Phone shuts off in sleep mode

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