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Caution: Upgrading to iOS 8 GM

Foss

Foss

macrumors 6502
Original poster
Sep 11, 2008
473
299
So I just downloaded the IPSW from the dev portal. Synced and backed up my iPhone 5S on the most recent beta build of IOS 8. Then the magic moment to manually upgrade caused iTunes 12 (latest on Yosemite) to crash. Now my phone is stuck in DFU mode, and iTunes will crash immediately if my phone is plugged in at all. So be warned. I'm switching to my mavericks partition to try to install off the latest iTunes there. Update to follow.
 
Foss said:
So I just downloaded the IPSW from the dev portal. Synced and backed up my iPhone 5S on the most recent beta build of IOS 8. Then the magic moment to manually upgrade caused iTunes 12 (latest on Yosemite) to crash. Now my phone is stuck in DFU mode, and iTunes will crash immediately if my phone is plugged in at all. So be warned. I'm switching to my mavericks partition to try to install off the latest iTunes there. Update to follow.
Click to expand...

Yeah it is pretty common around here that iTunes 12 crashes when in recovery mode :) I read if you use Xcode 6 with iTunes 12 it will work fine.
 
Foss said:
So I just downloaded the IPSW from the dev portal. Synced and backed up my iPhone 5S on the most recent beta build of IOS 8. Then the magic moment to manually upgrade caused iTunes 12 (latest on Yosemite) to crash. Now my phone is stuck in DFU mode, and iTunes will crash immediately if my phone is plugged in at all. So be warned. I'm switching to my mavericks partition to try to install off the latest iTunes there. Update to follow.
Click to expand...

This happened to me as well. Installing the latest version of Xcode fixes it. I reported a bug and Apple is aware of the problem. Hopefully fixed soon.
 
E3BK said:
This happened to me as well. Installing the latest version of Xcode fixes it. I reported a bug and Apple is aware of the problem. Hopefully fixed soon.
Click to expand...

Thanks for the solution! I'm going to upgrade Xcode now. I should have upgraded my iPad Air before my iPhone. Lesson learned...
 
Foss said:
So I just downloaded the IPSW from the dev portal. Synced and backed up my iPhone 5S on the most recent beta build of IOS 8. Then the magic moment to manually upgrade caused iTunes 12 (latest on Yosemite) to crash. Now my phone is stuck in DFU mode, and iTunes will crash immediately if my phone is plugged in at all. So be warned. I'm switching to my mavericks partition to try to install off the latest iTunes there. Update to follow.
Click to expand...

Just download recboot to get the phone out of DFU. I had the same problem.
 
UnseenLlama said:
Considering Yosemite is not even released...probably not a good idea. If you are running Yosemite on your main/production Mac, shame on you.
Click to expand...

I'm not. I was just asking. I'll just boot into Mavericks.

Shame on you for jumping to conclusions.
 
E3BK said:
This happened to me as well. Installing the latest version of Xcode fixes it. I reported a bug and Apple is aware of the problem. Hopefully fixed soon.
Click to expand...

How does Xcode fix it, iTunes will open normally after installing Xcode?
 
Foss said:
Thanks for the solution! I'm going to upgrade Xcode now. I should have upgraded my iPad Air before my iPhone. Lesson learned...
Click to expand...

It happens to us all. I can't take credit for the solution though! I found the answer here. There are actually 2 solutions in there but the Xcode route is probably the better solution. Perhaps the mods could merge the threads?
 
Is the DFU problem related to trying to restore a backup or if you do a clean install are you okay?
 
I updated without DFU on beta 5 and my 4S was stuck in recovery mode... I don't know if this could happen with the GM.
 
I am stuck in DFU.... my work computer has Yosemite, and my mavericks computer is with my wife.

How do I fix it in XCode?:confused:
 
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