Can not update 5.1.1 to 6.0 on factory unlocked iPhone 4S - An unknown error occurred (-1) (21)
HI all,
for the first time, one of my Apple products is making me mad.
1.) I have an factory unlocked iPhone 4S running 5.1.1
2.) When I try to update, it (MacBook Pro running 10.8.1) extracts the software and then after a few seconds it shows me (An unknown error occurred (-1))
3.) When I put the phone in DFU Mode and try to update it shows me (An unkown error occurred (21)) - The iPhone freezes at the Apple Logo
I have downloaded the IPSW again (Yes I am sure I have the one for iPhone 4S), have downloaded and installed iTunes 10.7. Further I have installed iTunes fresh on a another Laptop (iTunes 10.7 on Windows 7) - Same behavior there.
The funny thing is, when I restore the iPhone to 5.1.1 it restores it without any problem. I have also tried to first make a restore on 5.1.1 and directly on 6.0. Same problem.
PLEASE HELP ME!
Cheers
Peter
You might try using RedsNow to put it in DFU mode.
Where did you get the .ispw file?
http://appldnld.apple.com/iOS6/Restore/041-7181.20120919.lEuOK/iPhone4,1_6.0_10A 403_Restore.ipsw
Basic troubleshooting steps
17" 2.2GHz i7 Quad-Core MacBook Pro 8G RAM 750G HD + OCZ Vertex 3 SSD Boot HD
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CAN SOMEONE HELP WITH THIS ISSUE:
THE ATTEMPT TO BURN A DISC FAILED. AN UNKNOWN ERROR OCCURRED (4221)Microsoft Windows XP Professional Service Pack 3 (Build 2600)
IBM 18308TU
iTunes 10.6.3.25
QuickTime 7.7.2
FairPlay 1.14.43
Apple Application Support 2.1.9
iPod Updater Library 10.0d2
CD Driver 2.2.0.1
CD Driver DLL 2.1.1.1
Apple Mobile Device 5.2.0.6
Apple Mobile Device Driver 1.59.0.0
Bonjour 3.0.0.10 (333.10)
Gracenote SDK 1.9.6.502
Gracenote MusicID 1.9.6.115
Gracenote Submit 1.9.6.143
Gracenote DSP 1.9.6.45
iTunes Serial Number 0012A7CC0B5F78F0
Current user is an administrator.
The current local date and time is 2012-08-12 22:04:05.
iTunes is not running in safe mode.
WebKit accelerated compositing is disabled.
HDCP is not supported.
Core Media is not supported. (16005)
Video Display Information
ATI MOBILITY RADEON 7500
**** External Plug-ins Information ****
No external plug-ins installed.
Genius ID: 2e39627a5d03e3456e051c0b031fabab
iPodService 10.6.3.25 is currently running.
iTunesHelper 10.6.3.25 is currently running.
Apple Mobile Device service 3.3.0.0 is currently running.
**** CD/DVD Drive Tests ****
No drivers in LowerFilters.
UpperFilters: GEARAspiWDM (2.2.0.1),
D: MATSHITA DVD-RAM UJ-842, Rev RB01
Audio CD in drive.
Found 11 songs on CD, playing time 41:38 on Audio CD.
Track 1, start time 00:02:00
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Track 3, start time 08:00:35
Track 4, start time 11:08:15
Track 5, start time 14:14:50
Track 6, start time 19:11:15
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Track 8, start time 25:48:38
Track 9, start time 29:54:28
Track 10, start time 34:03:35
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Get drive speed succeeded.
The drive CDR speeds are: 4 8 12 16 24.
The drive CDRW speeds are: 4.
The drive DVDR speeds are: 4.
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Put a USB 2.0 hub between the device and the computer.
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Eliminate third-party security software conflicts.
There may be third-party software installed that modifies your default packet size in Windows by inserting one or more TcpWindowSize entries into your registry. Your default packet size being set incorrectly can cause this error. Contact the manufacturer of the software that installed the packet-size modification for assistance. Or, follow this article by Microsoft: How to reset Internet Protocol (TCP/IP) to reset the packet size back to the default for Windows.
Connect your computer directly to your Internet source, bypassing any routers, hubs, or switches. You may need to restart your computer and modem to get online.
Try to restore from another known-good computer and network. -
ITunes could not copy "Song Name" to the iPhone because an unknown error occurred (-50)
Recently when I tried syching one of my playlists into my iPhone 4 (Running on 5.1) using iTunes 11.2.0.26 for Windows (Windows XP SP3), I have been having a problem with some songs I acquired recently. It will sync all the other songs, but when it reaches the song in question, the following error message pops up:
"iTunes could not copy "Name of Song" to the iPhone because an unknown error occurred (-50)"
After which, it stops synching songs altogether.
I tried TWO different USB connectors (BOTH from Apple), and the error still occurs. When I remove the song in question, ALL songs sync normally.
I used the 'Get Info' option to see if there was something in the way the song was coded. This info is from one of the songs that gets synched normally:
Kind: MPEG Audio file
Size: 11 MB
Bit Rate: 256 kbps
Sample Rate: 44.100 kHz
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Plays: 1
Last Played: 1/22/2010 8:40 PM
Format: MPEG-1, Layer 3
Channels: Stereo
ID3 Tag: v2.3
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THIS is the info on the problematic song:
Kind: MPEG Audio file
Size: 8.2 MB
Bit Rate: 256 kbps
Sample Rate: 44.100 kHz
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Plays: 1
Last Played: 5/3/2013 8:40 PM
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Channels: Joint Stereo
ID3 Tag: v2.3
Encoded with: LAME3.96
By the way, BOTH song (The ones synching normally, and this unsynching song), where purchased and downloaded from Amazon.com.
ANY information that will help me solved this problem will be VERY appreciated. Likewise, if you need any additional information, please let me know...
Thanks for your time.Try going through other threads on topic
http://www.google.com/search?source=ig&hl=en&rlz=&=&q=becausean+unknown+error+occurred+%28-50%29+iphone&btnG=Google+Search&aq=f&oq=#sclient=p sy&hl=en&newwindow=1&safe=off&source=hp&q=because+an+unknown+error+occurred+%28- 50%29+iphonesite:apple.com&aq=f&aqi=&aql=&oq=&gs_rfai=&pbx=1&fp=9bef8cda26d1a6ec -
ITunes could not connect to the iPhone because an unknown error occurred (OxE8000001)
Sorry if this has been answered elsewhere but I don't have the nerves to read through thousands of "I've got the same problem too" replies. I do not care whether anyone has the same problem. So if you don't have any solution do not post! I'm not being rude, I'd just keep this discussion as accessible for other readers as possible. Besides, shouting "me too" doesn't really help anyone. Thank you.
Here's my problem, I sync my iPhone via iTunes 10.5.2, which works fine but after a while it prompts with an error message "iTunes could not connect to the iPhone because an unknown error occurred (OxE8000001)". This error message will not disappear and I have to force shut-down iTunes. It works OK for a while after re-start but the error comes back after a while. It is a very annoying little problem because I was waiting for WIFI syncing for so long and now it doesn't work properly
Any ideas how to remedy this?Did you try the solutions mentioned in this article? iPhone, iPad, iPod touch: Unknown error containing '0xE' when connecting
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when i connect my iphone to my pc i get "itunes could not connect to this iphone. An unknown error occurred (0xE8000012) i have the correct itunes i also tried to reset my phone, i did this before i went to bed and it was still trying to reset when i woke the next day should it take this long?
http://support.apple.com/kb/TS3221
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Whenever i download any application, i got this message-" the application not installed on the iPhone because an unknown error occurred (0xE800000C)"...Please give me some solutions to resolve this issue..
Read here:
http://support.apple.com/kb/TS3221 -
Windows 7 Pro
When I plug in IPad USB to computer and ITune I get this error message; Itune could not connect to this IPhone. An unknown error occurred (0xE8000084.Have you tried the troubleshooting on this page : iOS: Unknown error containing '0xE' when connecting to a Windows PC ?
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Itunes could not connect to this iphone because an unknown error occured (0xE8000003)
itunes could not connect to this iphone because an unknown error occured (0xE8000003)
tried uninstalling itunes and restarting reinstalling, didnt change problem.The article may not explicitly mention the error code but it does say +the error may be the same as above but end with a different number+. I've now found a forum on another site (http://forum.upsb.info/showthread.php?t=2813&page=2&s=f1904afbf5d4475d933fabcb9b 022f7e last post) that says :
1, Go to the folder C:/Program Data/Apple/Lockdown (in Vista or 7)
2, Delete SystemConfiguration (system file)
As I havn't had the error I don't know whether the above fixes it - and if you try it I'd suggest taking a backup or renaming the file, not deleting it, in case it doesn't work and you want to restore the file. -
ITunes could not connect to this iPhone because an unknown error occurred (0xE800022
"iTunes could not connect to this iPhone because an unknown error occurred (0xE800022)"
this is my problem! without that i cannot synch my phone and i cannot do anything! please help me! thank you in advance!
i've got windows vista!AgentYellow26 wrote:
I also restored my iPhone 5///
Lets see - your post has absolutely nothing to do with what the OP posted in a thread which has been dead for over 2½ years! Did you even bother to read what you "answered"? -
iTunes could not connect to this iPhone because an unknown error occurred (0xE800001).
I’m directly connected to the my Laptop USB 3.0 so no USB problem 1 time I upgrade ios 4.1 (8B117) because of this problem but still haven’t good result
anyone please halp me As soon as possible -
cannot sync my iphone with itunes. get this message: iTunes not connected to this iPhone. An unknown error occurred (0xE800002D)
...i have Windows XP. I followed the suggestion to turn off and on the iPhone and at least now my iphone appears under Devices in itunes. Now I'm having problems downloading picutres from my laptop to my iphone. this is my first iphone and apple product.
Thanks Texas and wjosten for responding.
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