Installing 2.0.1. Solving problems. Avoid bricked phone.

Here is an unofficial release notes for 2.0.1. If you want to install please read this first:

Disable airplane mode before installing Prior to installing the iPhone OS 2.0.1 update, make sure that Airplane mode is not enabled on your iPhone. Having Airplane mode turned on can result in a non-functional phone when the update is applied. You may receive the error message:

“Information for activation cannot be obtained from the iPhone”

Fortunately, you can disable Airplane mode from the emergency screen if your iPhone is put into an inactivated state by a problematic update.

“iTunes could not update the carrier settings on your iPhone” Several users are receiving the error message “iTunes could not update the carrier settings on your iPhone. An unknown error occurred (OxE80000001).”

If this error occurs, try clicking the “Restore” button in iTunes rather than “Update.”

Problems installing:

If you are experiencing problems installing the update the first thing to try is simply multiple attempts. The iPhone may fail to update on the first attempt, but succeed in restoring on the second or third attempt.

Failing that, your copy of the update may be corrupt. Try deleting an re-downloading it:

  • under Mac OS X: ~/Library/iTunes/iPhone Software Updates
  • under Windows XP: C:/documents and settings/[yourusername]/Application Data/Apple Computer/iTunes/iPhone Software Updates
  • under Windows Vista: C:/users/[yourusername]/AppData/Roaming/Apple Computer/iTunes/iPhone Software Updates

and delete the 2.0.1 update.

The fix in other cases is to reinstall iTunes. Simply download the package, run the installer and restart.

Failing that, under Mac OS X, try deleting the following files:

  • /System/Library/Extensions/AppleMobileDevice.kext
  • /System/Library/PrivateFrameworks/DeviceLink.framework
  • /System/Library/PrivateFrameworks/MobileDevice.framework
  • /Library/Receipts/AppleMobileDeviceSupport.pkg

then reinstall iTunes.

Another potential fix is to put the iPhone in recovery mode then restore it.

If you received an error -19 or a different message that prevents the update from taking place, try turning off automatic syncing, then quit iTunes and disconnect your phone. Launch iTunes again, wait for it to find your phone, and try the update again. Failing that, try the tips in this Knowledge Base article.

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