Persistent disconnect is causing iPhone to failed backups

It drives me crazy. I can't save my iPhone 6 (running iOS 9.2.1) to iTunes (v 12.3.2.35 on Mac OS X 10.11.2).) Sooner or later - often, very near the end, according to the blue thermometer at the top of the iTunes page - I get "iTunes could not backup iPhone because iPhone disconnected".

I have google ad nauseam and tried a bunch of things:

(1) removal of existing backup from iTunes.

(2) by removing the lockdown folder.

(3) a new saving account on my iMac.

(4) try a new USB cable to a port on my iMac.

(5) restart the iMac and iPhone.

(6) restart the iMac in safe mode.

(7) restores the increasingly aggressive iPhone. More recently, in desperation, I deleted completely restored in factory configuration and apps am adding slowly back one by one. (It is a royal pain that has consumed many hours of my life).

Other info: my phone has never been jailbroken. iTunes WiFi synchronization is disabled. There is no hub USB between my Mac and my iPhone. The news of the Console are particularly inappropriate, consisting of:

22/01/16 2:07:40.528 PM AppleMobileBackup [7812]: warning: backup eaa70d4338aaa4b810adf76a8cb7a8d75a5978fb

22/01/16 2:08:06.375 PM AppleMobileBackup [7812]: 7812:2215936 | SocketStreamHandler.c:_SocketLogCallback | ERROR: SocketRecv (data): return of 0 bytes

22/01/16 2:08:06.378 PM AppleMobileBackup [7812]: 7812:2215936 | StreamHandler.c:_ReadFunc | : Error reading the data: cannot read data

22/01/16 2:08:06.380 PM AppleMobileBackup [7812]: 7812:2215936 | DeviceLinkConnection.c:_DLHandlerThreadReadMessage | ERROR: Could not get message: "(null)".

22/01/16 2:08:06.381 PM AppleMobileBackup [7812]: 7812:170557440 | DeviceLinkConnection.c:_DLMainThreadMessagePortCallback | : Error creating components from read data: "data NULL returned reading."

22/01/16 2:08:06.383 PM AppleMobileBackup [7812]: ERROR: connection to the lost device (MBErrorDomain/200)

22/01/16 2:08:06.384 PM AppleMobileBackup [7812]: ERROR: backup error:-10

22/01/16 2:08:06.386 PM AppleMobileBackup [7812]: 7812:2215936 | SocketStreamHandler.c:_SocketLogCallback | ERROR: SocketSend (data): error 32: Broken pipe

22/01/16 2:08:06.388 PM AppleMobileBackup [7812]: 7812:2215936 | StreamHandler.c:_WriteFunc | ERROR: Sending data error: unable to send data

22/01/16 2:08:06.390 PM AppleMobileBackup [7812]: 7812:2215936 | DeviceLinkConnection.c:_DLHandlerThreadMessagePortCallback | ERROR: Could not send a disconnect message: "length of data write error."

(And why Apple cannot me FILE WHICH is being processed when the error of data occurs not say?) GRR.)

And, of course, each troubleshooting step takes more than an hour while I see if it is the key to get a backup to work. I am tearing my hair and I did not have too much hair left to lose. Any suggestions, other than simply living dangerously and running without a backup?

(And why Apple cannot me FILE WHICH is being processed when the error of data occurs not say?) GRR.)

Because most people do not understand or care.

A few suggestions more from here: alerts related to solve USB in iTunes - Apple Support

Try the following steps to check the connection between your computer or device. You need only one of these steps to resolve the issue, to test your connection after each step.

  1. Remove any third party battery or case of the unit and check that the USB cable is connected directly to the port of the unit.
  2. Close the applications of virtualization (such as Parallels or VMWare).

These applications may interfere with the ability of your computer to communicate via USB if they are not properly configured, or up to date. If this resolves the problem, contact the developer of the application to see if an update is available.
  • Disconnect other USB devices from your computer except for your keyboard and your mouse. Then, reconnect your iOS device. If the problem is resolved, reconnect the other devices USB one at a time. Make sure that your iOS device is still recognized by the computer after adding back each device.
  • Try another computer
  • If this does not resolve the issue, I would contact Apple Support.

    Tags: iPhone

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