Iphone4 apple logo blinking

i have iphone4 at&t phone not unloacked, updated 5.0 1 and jbed after 3 days back wifi and bluetooth adress hiden and phone off the turn on time only apple logo blinking tred restore fw and also used cfw with sn0wbreez
error 21,1601,1602,1604,2005, 20,16,etc
restore time prepairing phone for restore and stuck , dfu mode using time phone disconnect apple logo blinking used redsnow matrix display coming time phone suddenly off and auto on logo blinking
try another system same iam reassembled phone problom still
iam edit host file same problom
sory my bad english
any body idea?????????????????????????????????????????????? ????

The jailbreak made your phone unusable, and problems with those devices can't be discussed here, due to the Terms of Use.
Sorry, the only help you could get, is from those people who convinced you to modify the software.
Unauthorized modification of iOS has been a major source of instability, disruption of services, and other issues

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My Ipod classic 160 gb,is dead only blinks when plugged to cpu via usb cable reset apple logo blinks as well Help!!!

My Ipod classic 160gb is dead,It only responds when I plug it in to cpu via usb cable then the screen blinks.When I try to reset it the Apple logo appears but the apple logo blinks on and off to as long as i hold the buttons down,when i realease the reset buttons it just blinks back and fourth to the blank gray screen,it worked fine yesterday night this morning its tanked.is this unit completely dead or can something be done at home?
Thank you for your help
Ice

I wrote this long time ago, have a read and see whether it can be soloved
If a sad iPod icon or an exclamation point and folder icon appears on your iPod’s screen, or with sounds of clicking or HD whirring, it is usually the sign of a hard drive problem and you have the power to do something about it now. Your silver bullet of resolving your iPod issue – is to restore your iPod to factory settings.
http://docs.info.apple.com/article.html?artnum=60983
If you're having trouble, try these steps at different levels one at a time until the issue is resolved. These steps will often whip your iPod back into shape.
Make sure you do all the following “TRYs”
A. Try to wait 30 minutes while iPod is charging.
B. Try another FireWire or USB through Dock Connector cable.
C. Try another FireWire or USB port on your computer .
D. Try to disconnect all devices from your computer's FireWire and USB ports.
E. Try to download and install the latest version of iPod software and iTunes
http://www.apple.com/itunes/download/
For old and other versions of iPod updater for window you can get here
http://www.ipodwizard.net/showthread.php?t=7369
F. Try these five steps (known as the five Rs) and it would conquer most iPod issues.
http://www.apple.com/support/ipod/five_rs/
G. Try to put the iPod into Disk Mode if it fails to appear on the desktop
http://docs.info.apple.com/article.html?artnum=93651
If none of these steps address the issue, you may need to go to Intermediate level listed below in logical order. Check from the top of the lists to see if that is what keeping iPod from appearing on your computer in order for doing the Restore.
Intermediate Level
A. Try to connect your iPod with another computer with the iPod updater pre-installed.
B. Still can’t see your iPod, put it in Disk Mode and connect with a computer, instead of doing a Restore on iPod Updater. Go and format the iPod instead.
For Mac computer
1. Open the disk utility, hope your iPod appears there (left hand side), highlight it
2. Go to Tab “Partition”, click either “Delete” or “Partition”, if fails, skip this step and go to 3
3. Go to Tab “Erase” , choose Volume Format as “MAC OS Extended (Journaled), and click Erase, again if fails, skip it and go to 4
4. Same as step 3, but open the “Security Options....” and choose “Zero Out Data” before click Erase. It will take 1 to 2 hours to complete.
5. Eject your iPod and do a Reset
6. Open the iTunes 7 and click “Restore”
For Window computer
Go to folder “My Computer”
Hope you can see your iPod there and right click on the iPod
Choose “Format”. Ensure the settings are at “Default” and that “Quick Format” is not checked
Now select “Format”
Eject your iPod and do a Reset
Open the iTunes 7 and click “Restore”
In case you do not manage to do a “Format” on a window computer, try to use some 3rd party disk utility software, e.g.“HP USB Disk Storage Format Tool”.
http://discussions.apple.com/thread.jspa?threadID=501330&tstart=0
C. Windows users having trouble with their iPods should locate a Mac user. In many cases when an iPod won't show up on a PC that it will show up on the Mac. Then it can be restored. When the PC user returns to his computer the iPod will be recognized by the PC, reformatted for the PC, and usable again. By the way, it works in reverse too. A Mac user often can get his iPod back by connecting it to a PC and restoring it.
Tips
a. It does not matter whether the format is completed or not, the key is to erase (or partly) the corrupted firmware files on the Hard Drive of the iPod. After that, when the iPod re-connected with a computer, it will be recognized as an fresh external hard drive, it will show up on the iTunes 7.
b. It is not a difficult issue for a Mac user to find a window base computer, for a PC user, if they can’t find any Mac user, they can go to a nearest Apple Shop for a favor.
c. You may need to switch around the PC and Mac, try to do several attempts between “Format” and “Restore”
http://discussions.apple.com/thread.jspa?messageID=2364921&#2364921
Advance Level
A. Diagnostic mode solution
If you have tried trouble shooting your iPod to no avail after all the steps above, chances are your iPod has a hardware problem. The iPod's built-in Diagnostic Mode is a quick and easy way to determine if you have a "bad" iPod.
You need to restart your iPod before putting it into Diagnostic Mode. Check that your hold switch is off by sliding the switch away from the headphone jack. Toggle it on and off to be safe.
Press and hold the following combination of buttons simultaneously for approximately 10 seconds to reset the iPod.
iPod 1G to 3G: "Menu" and "Play/Pause"
iPod 4G+ (includes Photo, Nano, Video, and Mini): "Menu" and "Select"
The Apple logo will appear and you should feel the hard drive spinning up. Press and hold the following sequence of buttons:
iPod 1G to 3G: "REW", "FFW" and "Select"
iPod 4G+ (includes Photo, Nano, Video, and Mini): "Back" and "Select"
You will hear an audible chirp sound (3G models and higher) and the Apple logo should appear backwards. You are now in Diagnostic Mode. Navigate the list of tests using "REW" and "FFW". The scroll wheel will not function while in diagnostic mode. For further details on Diagnostic mode can be found at http://www.methodshop.com/mp3/ipodsupport/diagnosticmode/
Try to do the 5in1, HDD R/W and HDD scan tests. Some successful cases have been reported after the running the few tests under the Diagnostic mode. In case it does not work in your case, and the scan tests reports show some errors then it proves your iPod has a hardware problem and it needs a repairing service.
B. Format your iPod with a start disk
I have not tried this solution myself, I heard that there were few successful cases that the users managed to get their iPod (you must put your iPod in disk mode before connecting with a computer) mounted by the computer, which was booted by a system startup disk. For Mac, you can use the Disk Utility (on the Tiger OS system disk), for PC user, you can use the window OS system disk. Try to find a way to reformat your iPod, again it does not matter which format (FAT32, NTFS or HFS+) you choose, the key is to erase the corrupted system files on the iPod. Then eject your iPod and do a Reset to switch out from Disk Mode. Reboot your computer at the normal way, connect your iPod back with it, open the iPod updater, and hopefully your iPod will appear there for the Restore.
If none of these steps address the issue, your iPod may need to be repaired.
Consider setting up a mail-in repair for your iPod http://depot.info.apple.com/ipod/
Or visit your local Apple Retail Store http://www.apple.com/retail/
In case your iPod is no longer covered by the warranty and you want to find a second repairing company, you can try iPodResQ or ifixit at your own risk
http://www.ipodresq.com/index.php
http://www.ifixit.com/
Just in case that you are at the following situation
Your iPod warranty is expired
You don’t want to pay any service charges
You are prepared to buy a new one
You can’t accept the re-sell value of your broken iPod
Rather than leave your iPod as paper-weight or throw it away.
You can try the following, but again, only do it as your last resort and at your own risk.
Warning !!!! – It may or may not manage to solve your problem, and with a risk that you may further damage your iPod, which end up as an expensive paper weight or you need to pay more higher repairing cost. Therefore, please re-consider again whether you want to try the next level
Last Resort Level
1. . Disconnecting the Hard Drive and battery inside the iPod – Warning !! Your iPod warranty will be waived once you open the iPod.
In Hong Kong there are some electronic shops offering an iPod service for Sad iPod, the first thing they do is to open up the iPod’s case and disconnecting the battery and the Hard Drive from the main board of the iPod. Wait for 5-10 minutes and reconnecting them back. The reason behind which I can think of is to do a fully reset of a processor of the iPod. In case you want do it itself and you believe that you are good on fixing the electronics devices and have experience to deal with small bits of electronic parts, then you can read the following of how to open the iPod case for battery and HDD replacement (with Quicktimes)
http://eshop.macsales.com/tech_center/index.cfm?page=Video/directory.html
2.Press the reset button on the Hard Drive inside the iPod – Suggestion from Kill8joy
http://discussions.apple.com/thread.jspa?messageID=2438774#2438774
Have I tried these myself? No, I am afraid to do it myself as I am squeamish about tinkering inside electronic devices, I have few experiences that either I broke the parts (which are normally tiny or fragile) or failed to put the parts back to the main case. Therefore, I agree with suggestion to have it fixed by a Pro.
2. Do a search on Google and some topics on this discussion forum about “Sad iPod”
Exclamation point and folder and nothing else
Spank your iPod
http://www.youtube.com/watch?v=3ljPhrFUaOY
http://discussions.apple.com/thread.jspa?messageID=3597173#3597173
Exclamation point and folder and nothing else
http://discussions.apple.com/thread.jspa?messageID=2831962#2831962
What should I do with my iPod? Send it or keep it?
http://discussions.apple.com/thread.jspa?threadID=469080&tstart=0
Strange error on iPod (probably death)
http://discussions.apple.com/thread.jspa?threadID=435160&start=0&tstart=0
Sad Face on iPod for no apparent reason
http://discussions.apple.com/thread.jspa?threadID=336342&start=0&tstart=0
Meeting the Sad iPod icon
http://askpang.typepad.com/relevant_history/2004/11/meeting_the_sad.html#comment -10519524
Sad faced iPod, but my computer won’t recognize it?
http://discussions.apple.com/thread.jspa?messageID=2236095#2236095
iPod Photo: unhappy icon + warranty question
http://discussions.apple.com/thread.jspa?messageID=2233746#2233746
4th Gen iPod Users - are we all having the same problem?
http://discussions.apple.com/message.jspa?messageID=2235623#2235623
Low Battery, and clicking sounds
http://discussions.apple.com/thread.jspa?messageID=2237714#2237714
Sad faced iPod, but my computer won’t recognize it
http://discussions.apple.com/thread.jspa?messageID=2242018#2242018
Sad iPod solution
http://discussions.apple.com/thread.jspa?threadID=412033&tstart=0
Re: try to restore ipod and it says "can't mount ipod"
http://discussions.apple.com/thread.jspa?threadID=443659&tstart=30
iPod making clicking noise and is frozen
http://discussions.apple.com/thread.jspa?messageID=2420150#2420150
Cant put it into disk mode
http://discussions.apple.com/thread.jspa?messageID=3786084#3786084
I think my iPod just died its final death
http://discussions.apple.com/thread.jspa?messageID=3813051
Apple logo & monochrome battery stay
http://discussions.apple.com/thread.jspa?messageID=3827167#3827167
My iPod ism’t resetting and isn’t being read by my computer
http://discussions.apple.com/thread.jspa?messageID=4489387#4489387
I am not suggesting that you should follow as well, but just read them as your reference. You are the person to make the call.
Finally, I read a fair comments from dwb, regarding of slapping the back of the iPod multiple times
Quote “This has been discussed numerous times as a 'fix'. It does work, at least for a while. In fact I remember using the same basic trick to revive Seagate and Quantam drives back in the mid to late 1980's. Why these tiny hard drives go bad I don't know - could be the actuator gets stuck in place or misaligned. Could be the platter gets stuck or the motor gets stuck. 'Stiction' was a problem for drives back in the 80's. Unfortunately the fix can cause damage to the platter so we temporarily fix one problem by creating another. But I know of two instances where a little slap onto the table revived the iPods and they are still worked a year or more later.”UnQuote

HT4623 i was updating my iphone 4 through settings but in the middle my phone switched offf n now what i can see is the apple logo blinking n i cant connect it to itunes can any1 help me?

i was updating my iphone 4 through settings but in the middle my phone switched offf n now what i can see is the apple logo blinking n i cant connect it to itunes can any1 help me?

If you have a backup of your information on your computer, I would suggest putting your phone into recovery mode, by holding down the home key and keeping it held down while you connect it by usb into your computer with itunes running. Keep the home button held down until it indicates recovery mode, and proceed with the restore.

Pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?, pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?

pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?, pls my macbook air is not booting up,when i switch it on the apple logo blinks with a question mark in it.what do i do?

See here > http://support.apple.com/kb/TS2570

HT4623 help! I didn't use my ipad for about a month then now it would not turn on, just a balck screen with apple logo blinking in the middle, please help

Help me. I did not use my ipad for about a month.Now that I turned it on after trying to charge it for many hours, it just would not turn on, just a black screen with sometimes an apple logo blinking, brought it to repair shops, said they could not fix it, please help

The terms of service of the Apple Support Communities prevent us from helping anyone with a jailbroken phone.
You're on your own. Good luck.

Apple logo blinking every 3 seconds - nothing to do with iphone

Hi all!
I was using my iPhone, with its battery more than 70%, but suddently it tuned off by itself. I tried restarting though on/off button and home button, but it didn't start. I tried recharging and it didn't work as well. When I tried to connect to iTunes, the phone was not detected as usual. Then, the screen only showed the apple logo blinking every 3 seconds. I also tried updating my itunes, yet it still had no effect. Any other advice how to solve this problem? Thanks.

Force the phone into recovery mode, as described here, & restore it:
http://support.apple.com/kb/ht1808
If that doesn't work, make an appointment at any Apple store.

My battery died, I charged phone now black screen apple logo blinking. How do I fix?

My battery died, I charged phone now black screen apple logo blinking. How do I fix?

If Apple replaced the battery, contact them to check the phone, the battery replacement is covered by a warranty.
iPhone - Contact Support - Apple Support

My iphone went dead and now has the apple logo blinking on and off

my iphone 4 went dead and now has the apple logo is slow blinking on and off when it's plugged into my computer. I cannot stop it. Tried a hard restart but nothing happened.

Morning blgarratt,
Thanks for using Apple Support Communities.
If it is showing the Apple logo with no progress bar or a stopped progress bar, for over ten minutes.
For troubleshooting on this, take a look at this article:
iOS: Unable to update or restore
http://support.apple.com/kb/HT1808
Hope this helps,
Mario

Doesn't start, Apple logo blinks on and off.

My iPod Classic won't start. There's just a pale image of the Apple logo which blinks on and off. Plugging it into various USB ports has no effect.
Dying battery? (I've had the device for about a year only.)

Okay, here's something I found out: charging it with a power adapter instead of via the USB cable worked.
Question: why would charging it with the USB connection not work?

Brief water contact; black apple logo blinking/flashing white screen

Ok, this idiot didn't take his phone from his pocket & it briefly was water submerged. Maybe 20 seconds; feeling stupid about it.
Phone has been in a bag of (uncooked) rice for a solid 48hrs. I thought that was long enough to plug phone into lightening cable charger into USB port for iTunes...saw a white screen black apple logo that is blinking/flashing. Immediately unplugged it & put back in bag of (uncooked) rice. Did not have it plugged in longer than a few seconds.
Suggestions other than make an appt. with the Genius bar?
Is flashing/blinking a significant sign of permanent damage?

_m00n_ wrote:
Phone has been in a bag of (uncooked) rice for a solid 48hrs.
No where near long enough. Should be 5-7 days normally.
_m00n_ wrote:
Suggestions other than make an appt. with the Genius bar?
Is flashing/blinking a significant sign of permanent damage?
Genius Bar appointment is the best alternative. More than likely the device is trash. You should be able to purchase an Out Of Warranty replacement.

IPhone 4 won´t turn on, apple logo blinks

When I woke up this morning, my iPhone 4 said that I had to activate it by connecting it to iTunes. I had no computer nearby, so I waited for a while. Now it does not react, unless it plugged in to a Mac. When it is plugged in the apple logo appears for 10 seconds and then it´s gone. It has been blinking for about 4 hours now. I´ve tried to hold the power and the home buttons in several times, but it does not work. It was and still is fully charged. Anyone who has any experience with this?

You'll probably have to try to force it into recovery mode and restore it: http://support.apple.com/kb/ht1808.

Ipod doesn't turn ON and apple logo blinks

I was fascinated about the Ipod during my college days and bought one when I went to U.S. in February,2014. It is 7th Gen grey Ipod nano. Earlier this month, the Ipod started to behave strange. It is not even turning ON even though I feed the charge. I searched for the solutions online and tried to reset as suggested by many mates. It is not even resetting, but an apple logo starts blinking when I try to do that. I took it to the apple store(service) this monday and today I got a call saying that it cannot be replaced as it was a physical error (Screen Popped out minutely),which never happened. I was so surprised. I swear, I didn't even handled it hard. Screen is even at all the surfaces.
Apple cannot replace it but can give an exchange offer for 7.5k INR. On an Ipod which hardly works for couple of months, why will I invest 7.5K ? I dont want any Ipod. I will leave it in the store itself for their reasons/research.
#Frustrated

i had this problem, i changed the battery and bang, worked perfectly again......apple said it was a logic board failure...

Why is the Apple logo blinking?

When I woke up this morning, my iPhone was doing fine. I pulled up an app and within two minutes, it darkened, a line showed up on the screen, then it turned off. I tried to plug it in, and it was unresponsive to being charged. Now, only the Apple logo is on the screen. It shows up, glitches, then fades with another line on the screen. I tried holding down the power and home buttons, but it did not do anything.My phone was not exposed to anything out of the ordinary (water, heat, cold, etc.), but it won't even function. What's wrong with it?

try to reset it (Home and ON buttons) while it is plug in the computer and itunes is open. But maybe you will have to restore it

HT201210 My Iphone4 will not restore. When i plug it into the charger it says iOS6 and when i slide it over it says Connect to iTunes. But when i do so the apple logo blinks on and off constantly.. And it will not restore? Can someone help me?

My iPhone4 will not come on. When i plug it into the charger, it only says connect to iTunes. When I tried restoring it, it said my iPhone4 could not be restored.

Try this
http://support.apple.com/kb/HT1808

HT1430 i updated my ipod touch and it is not functioning. The apple logo blinks and it didin't turn off either. Any help?

i updated my ipod touch and it is not functioning. The logo is blinking and it doesn't turn off either. Any help?

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

Iphone4 apple logo blinking

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