IPhone could not be restored. Unknown error (40)

4.1 OS. Restore mode loop. How can I fix this problem?

indeed, apple should have this fixed ! at first that I thought it was my mac pro's problem, however after rebooting in bootcamp with the same usb port and cable , it actually fixed that ! intunes 10 in XP restored everything in a few minutes... had that done in windows was ***.
the hardware is mac pro 08 with leopard installed, itunes 10.1 , iphone 4 with 4.1..
the restore process actually froze during the 2/3 around the firmware part.... hopefully some team would have this fixed soon! thanks in advance.

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It says it needs to be connected to itunes and restored. when i do that, it goes through the whole process then comes up with "iphone could not be restored. unknown error code (-1)". Please help

My brother gave me his old iphone when the touch screen went out on mine. It's in great shape but when I received it, it says that it needs to be connected to itunes to be restored. I have done this and it goes through the whole process then says iphone "iphone" could not be restored. unknown error code (-1). There is not a -1 code on the list and I have tried most of the suggestions.
Does my sim card need to be in when I am doing this? And any other suggestions?

I did put it in DFU mode but its still not working, although everytime it shows your iphone needs to be restored. Kindly help.

My phone will not come on,when i try to restore the phone it says the iphone could not be restored unknown error occured 21 someone please help!!

can some one help me with this ? i tried to do hard reset no luck, when i try to restore the iphone it says unknown error 21

Yeah i getting the same error on my iphone3gs. Ive tried eveything i think if you find something out PLEASE let me know. Im going to send mine in though bc i cant take going with out a phone anymore. GOOD LUCK!!!!!

Iphone could not be restord, unknown error accurred (36)

I started updating my iphone 4s to the latest OS and put it on the table to finish updating. When I returned to get it showed connecting to Itunes. I connected the phone to Itunes and Itunes indicated that my iphone need to be restored and I started the restore process. I received this error (iphone could not be restored, unknown error occurred (36)). I have tries suggestion on support website and I still get this error. On the Iphone The Apple logo comes up with a data line underneath and that is where it stays until I disconnect power. When I turn it back on the connect to itunes logo comes back.

See this discussion: https://discussions.apple.com/message/22155018#22155018

TS1372 a message comes up when i plug in my iPod shuffle (version 1.0.2) and when i click to restore and update message comes up saying iPod could not be restored unknown error occurred (1430)

a message comes up when i plug in my iPod shuffle (version 1.0.2) and when i click to restore and update message comes up saying iPod could not be restored unknown error occurred (1430)

The linked article
http://support.apple.com/kb/TS1372
has some suggestions. Did you try doing those things?

IPhone could not be restored. Error 2009

iPhone could not be restored. Error 2009. What does this error mean? I'm connecting my 4S to my computer with windows 7. What does it means and how can I resolve it?

Read here.
http://support.apple.com/kb/TS3694?viewlocale=en_US&locale=en_US#error2009

Attempting iOS 3.2.1 update, iPad could not be restored, unknown error 1014

Tried to update my iPad wifi+3G tonight. Got error message in iTunes:
The iPad "iPad" could not be restored. An unknown error occurred (1014).
I'm stuck now and can't use my iPad because the iPad goes to recovery mode, and when I try again, the same thing happens. Have tried about 6 times. One time, tried and I believe succeeded in getting into DFU mode - dark screen on iPad while iTunes said it had found a device in recovery mode - but that restore ended up the same way.
No iPad now. Bummed. Is this hardware? I hope not. Please help if you know anything about this. I can find very little about this error.

I am still unable to restore my iPad, and it is therefore still not usable.
Here is the loop I have been going around - NOTE - this is not a recipe for success here - I'm just describing what I'm seeing and doing detail, in the hopes there will be an additional clue here in how to fix things:
1) Select files in ~/Library/iTunes/iPad Software Updates/ and drag to trash (there is a single ipsw file). (Note, I also trashed my iPhone Software Update file from last night, on the thought there might be a cross-up somewhere - made no difference).
2) With iPad plugged in, showing "iTunes has detected an iPad in recovery mode" on Mac, and showing Recovery Mode graphic on iPad (USB cable -> iTunes), get iPad into DFU mode as follows:
Hold down iPad Power and Home buttons until iPad disappears from iTunes screen.
Release iPad Power but continue to hold Home until "iTunes has detected an iPad in recovery mode" on Mac, but now with a dark screen on iPad (no USB cable -> iTunes graphic on iPad)
3) Click Restore in iTunes, then click Restore and Update in the Are you sure… dialog in iTunes, then click Next, then click Agree in iTunes. iTunes shows Downloading 1 item, iPad Software Update (7 minutes remaining).
Note: iPad screen still dark all this time
After the download completes, there is a bunch of activity in iTunes, with messages like (probably didn't capture all these messages):
extracting software
verifying ipad restore with apple
preparing ipad
waiting for ipad
preparing ipad software
Eventually a long progress bar shows up on iPad
The progress bar starts to move with messages like this in iTunes (pretty sure I did not capture all the messages here):
Restoring iPad Software
Verifying iPad Software
Verifying iPad Restore
Finally, the iTunes dialog end up like this:
iPad:
Restoring iPad firmware…
and the progress bar on the iPad gets very near the end, but not quite. It sits there for maybe a couple of minutes.
Then, in iTunes, this dialog appears:
The iPad "iPad" could not be restored. An unknown error occurred (1014).
and on the iPad, the recovery mode dialog appears (USB cable -> iTunes graphic).
I've been around this loop a number of times now.
Not sure where to look for error messages in any log files on my mac.
Any other ideas?
Thanks for reading. Sad I don't have an iPad anymore...

HT201210 the ipad could not be restored, unknown error (40) - has anyone found a solution to this?

greetings.
I just tried to restore my first generation iPad and got the following message:
The iPad could not be restored. Unknown error (40).
has anyone else had this and found a wasy to bring the iPad back to life?
I have tried all the trouble shooting ideas that iTunes led me to... very sad...
many thanks,
Shannan.

Try and force your iPad into Recovery Mode
1. Turn off iPad
2. Connect USB cable to computer only
3. Press and hold the Home button down and connect the docking end of cable to iPad
4. Continue holding the Home button until you see the "Connect To iTune" screen
5. Release the Home button
6. Open iTune
7. You should see "iTunes has detected an iPad in recovery mode"
8. Use iTune to restore iPad
Note: You need to be patient and repeat the above many times.

TS3694 First attempt to update failed! ipad could not be restored, 'unknown error 11'

This is my 1st attempt to update my 1st gen ipad- 'unknown error msg 11- ipad could not be restored " I dont think this is a computer issue- my PC is 6 months old and has newest version of itunes; ( just installed yesterday). It is lightening fast and I have administrator access, etc. The update appeared to be running fine, going through all the steps, etc, then failed. HELP! Need ipad for my job! Thanks for any help.

This is my 1st attempt to update my 1st gen ipad- 'unknown error msg 11- ipad could not be restored " I dont think this is a computer issue- my PC is 6 months old and has newest version of itunes; ( just installed yesterday). It is lightening fast and I have administrator access, etc. The update appeared to be running fine, going through all the steps, etc, then failed. HELP! Need ipad for my job! Thanks for any help.

HELP! Firmware update failed. iPhone could not be restored Unknown 6

I wanted to upgrade my iPhone's firmware.
Plugin, backup, sync, etc, update downloaded and it began, extracting, preparing iphone, preparing software, then finally restoring iPhone.
IT NEVER FINISHES, I get an error code unknown 6, could not restore iphone.
I repeat, same thing every time.
I uninstall iTunes, even deleted my backup so everything is gone, reinstall, same thing
Created a new user account in windows so that it is forced to redownload the update, guess what, same thing.
Has anyone else encountered this problem and did they resolve it?
Thank you so much
Matt

I thought I should chime in even though some of the issues have been addressed.
I downloaded 2.0.1 yesterday evening. The download was relatively fast. The upgrade process began.
I am generally very finicky and always want to watch the progress meter. I have noticed that with Apple products (as Microsoft), the progress meter's generally mean nothing.
… Fast-forward about two hours. I come back to the computer and the upgrade is still doing its thing. It was stuck at the Restoring iPhone Software section. The iPhone became a brick the phone displayed the lovely connect to iTunes graphics.
I decided to kill the session and try again. iTunes began the upgrade yet again, but this time it stalled at the section right before Restoring iPhone Software.
I spent a good four hours working on this thing. I downloaded the latest iTunes hoping that would solve the problem. Again, no success. I also tried deleting the USB driver with no luck.
I went to sleep on the third attempt thinking it is taking its sweet time. I wake up at 3AM or so, and it is again, stuck on the last bar of Restoring iPhone Software meter.
It was at that point I decided to try something different. On a whim, I install iTunes on another computer. I plugged in the iPhone, downloaded the upgrade, and in about 30 minutes the upgrade completed successfully. I actually got a more consistent progress meter on the various updates. The iPhone restarted and iTunes recognized the phone instantly.
I plugged it back into my primary machine, which was giving me trouble, and everything is hunky dory.
*So, if you guys have been trying everything and are going insane, perform the upgrade on another machine.* It solved my problem and three other users’ issues that were having the same problem at work.

TS3694 Hi! I'm trying to restore my iPhone 3gs version 4.2.1. I'm getting an error "Could not be restored" Unknown Error (1015).

Hello, I need help restoring my iPhone? can anyone help me with the Error 1015.. please.. ;-(

Welcome to Apple Communities
Restore in your device. Settings > General > Restore > Erase All Content and Settings

HT201210 How can I restore my 4s from recovery mode with itunes sign on? I keep getting an error saying "iphone could not be restored. an error has occured"

Tried updating to iOs 6 on my 4S, now computer pops up error saying , can not restore iPhone due to error. I've tried restarting phone & computer, phone keeps going back to screen with iTunes sign & USB cord.

my iphone5 having same problem

I have an apple 3g, tried to update it to 4.2, but it wasnt successful, then they asked me to restore it .. to which im getting an error message of "the iphone could not be restored an unknown error has occured (error 1015), any solutions?

i have an apple 3g, tried to upgrade it to a 4.2 version, (previously it was 4.1). it wasnt successful, the computer asked us to restore it to the version which was last operational, and while restoring an error message appeared "the iphone could not be restored, an unknown error occured

"This error is caused by attempts to downgrade the iPhone, iPad, or iPod touch's software. This can occur when you attempt to restore using an older .ipsw file. Downgrading to a previous version is not supported. To resolve this issue, attempt to restore with the latest iPhone, iPad, or iPod touch software available from Apple."
Taken directly from this article http://support.apple.com/kb/TS1275.
Plug your iPhone into iTunes and update it to the latest supported version, which is 4.2.1.
- Greg

The iPhone "iPhone" could not be restored. An unknown error has occured (3). How do I fix this?

I had a problem with my iPhone 5 connecting to my service provider (verizon) and also to the internet just minutes after I had used the internet to browse before work this morning. I tried soft reset, hard reset, and connecting to my computer, but nothing worked to get it back to normal. I decided to do a system wipe and restore it as well, but I get that error: "The iPhone "iPhone" could not be restored. An unknown error has occured (3)." I googled that and searched for literally 7 hours without any luck. Any and all help is appreciated. Thanks!

This has just happened to me today. I have an iphone 5 on Verizon. I was using the internet on the device normally when it started. It couldn't access any online data even though it had 4 bars of service and LTE. I restarted it and it would be stuck "Searching for network". I tried wiping the phone with no luck. It gets stuck at around 99% of the firmware restore process and hangs there for about 25 minutes before itunes gives me the error described above. I tried the recover-mode restore with the same results.
I need a working phone ASAP, this is extremely frustrating!

HT1267 While upgrading my iPhone 3 to 4.2 something went wrong and would not start at all. When tried to restore after going through th process it comes up with the message "The iPhone could not be restored. An unknown error occurred [1015]." What can I d

While upgrading my iPhone 3GS to iOS 4.2 something went wrong and came up with the message "The iPhone could not be restored. An unknown error occurred [1015]." Now it will not start at all. It just stays on screen with USB and the iTune picture. What can I do to get it going again. I only tried to upgrade because I was prompted to up-grade and now I am helpless. I did a backup before starting the upgrade. The error message did not tell what to do next. Any help is very much appreciated.

Usually that means the iPhone was hacked to unlock it from the original
carrier .
Updating the operating system locks it back to that original carrier
You could try this
http://support.apple.com/kb/TS3281
However if the iPhone was hacked it is probably a paper weight now
and as this is an Apple hosted forum you can get no further help here

TS3694 Can't restore and recover iPhone 4s. Keep getting The iPhone "iPhone" could not be restored. An unknown error occurred (14). Help please!

Please help. I simply connected my iPhone 4s to my Dell laptop (Win 8) which connected to iTunes automatically (which it normally does) and was told that I needed to update my software (I believe for both iPhone OS and iTunes). I tried to update and now my iPhone won't work at all. I just keep going in circles trying to restore and recover and I keep getting the error message: The iPhone "iPhone" could not be restored. An unknown error occurred (14). All I see on my iPhone 4s screen is a cable connector, a little up arrow, and an iTunes symbol--and nothing else works.

http://support.apple.com/kb/TS3694

IPhone could not be restored. Unknown error (40)

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