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July 18, 2008 12:00 AM PDT

iPhone backup process extremely slow, corruption issues

by Ben Wilson
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Many iPhones users are reporting that the backup portion of syncing in iTunes is taking a very long time to complete or results in a non-responsive iPhone. In some cases, the inordinately long backups may be the result of corruption issues that may be resolved via the following process:

  • Allow a backup to complete
  • Unplug your iPhone
  • In iTunes, navigate to Preferences > Syncing (under "iTunes" on the Mac and under "Edit" in Windows) and delete all old backups
  • Restart your system.
  • Plug your iPhone back in, at which point you should be prompted to sync with the computer

If your iPhone is non-responsive, you will need to put the device in recovery mode before attempting the aforementioned process. To put the iPhone in recovery mode: First-generation iPhones disconnect it from your Mac or Windows computer then press and hold the sleep/wake and home buttons simultaneously for about 20-30 seconds, until you see a yellow triangle with an exclamation point in the middle accompanied by the text "Please Connect to iTunes." or a picture of the iTunes icon with a USB cable pointing toward it.

iPhone 3G Press and hold the sleep/wake button until the screen goes black (but before the Apple logo appears). Plug the iPhone into your computer and hold the Home button down.

Users are also receiving messages regarding corruption and an inability to restore backups to the iPhone.

Feedback? info@iphoneatlas.com.

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by peterpayne July 18, 2008 12:05 PM PDT
Thanks for telling us wrong. On the Mac you want iTunes > Preferences > Syncing.
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by jfmsam July 18, 2008 3:36 PM PDT
Usually the first back up is the one that takes the longest, because it is backing up everything includding app related data. This may be also the case if you installed several new Apps since the last connection. Subsequent backups should be quick.

Do keep in mind that Sync will also take longer when you add a large App like Cro-Mag Rally.
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by iPhone Fanatic July 18, 2008 3:37 PM PDT
Has this worked for anyone....? Didn't work for me.
Reply to this comment
by unsungsong July 18, 2008 6:18 PM PDT
This process has actually made things worse for me. Now Everytime I connect the iphone it takes 3 times as long as it did before I applied this "FIX"
Any thoughts on correcting this would be appreciated.
Reply to this comment
by JDUBBIE July 19, 2008 10:52 AM PDT
absolutely not. Made it much worse. Now the entire computer moves at an unbearable slow speed if I plug the iFlown in. Any help would be greatly appreciated.
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by iPhone Federalist July 20, 2008 8:11 PM PDT
This process to correct does not work. Definitely made it worse for me. Can someone please get an update from Apple on when they are going to fix this. Not to mention the terrible performance on iPhone contacts.
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by AlexInPa July 26, 2008 1:35 PM PDT
This worked as advertised for me.

1st Gen iPhone, Firmware 2.0.
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by jonathan_bennion January 2, 2009 5:44 AM PST
When iTunes begins backup, just hit the black 'x' in the status bar to cancel. It will add cumulative hours to your life.
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by Keifuz September 25, 2009 12:45 PM PDT
THANK YOU! Yes!
by martius1962 May 12, 2009 9:05 PM PDT
I only recently had this problem of an unending back-up. jonathan_bennion's advice is what I've been doing, but a real solution would be nice.
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by eugene40 September 7, 2009 8:12 PM PDT
It increasingly seems like Apple folks, in order to keep from losing business as word spreads among those not too blind to see the company's disregard for customers, need to simply ask Microsoft for a couple of software rookies to be loaned to clean up Apple's ineptitude. Emails need to be placed to Apple sales, which is always the place to get people's attention about product problems.
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by Plinka66 September 10, 2009 1:34 PM PDT
In my situation, the first backup after a software update is usually hours, not minutes like a normal backup.

I found an article on Apple that mentioned that pictures in the camera roll folder can cause the slowness. I have deleted a bunch and it is still slow, but has probably cut the backup process by 300%.

Just thought this might help someone else.
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