Difference between revisions of "Trampoline"

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(process AFAIK)
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== Process ==
 
== Process ==
* Spwan by update daemon (causes [[/private/var/root|elevated]] privileges)
+
* Spawn by update daemon (causes [[/private/var/root|elevated]] privileges)
 
* Mount Disk Image at <code>/Applications/iOSUpdater.app/iOSUpdaterHelper.dmg</code>
 
* Mount Disk Image at <code>/Applications/iOSUpdater.app/iOSUpdaterHelper.dmg</code>
 
* Copy contents off (essentially <code>cp -r /dev/{DMG}/* /</code>)
 
* Copy contents off (essentially <code>cp -r /dev/{DMG}/* /</code>)

Revision as of 22:00, 17 November 2012

Trampoline is the codename for the iPhone 5's OTA Update Enabler. iOS 6.0 on the iPhone 5 apparently included a bug that prevented OTA updates from occurring properly. As a result, Apple made the OTA update process a little less straightforward.

Trying to perform an OTA update informs you about the updater app, and how to obtain it.

Process

  • Spawn by update daemon (causes elevated privileges)
  • Mount Disk Image at /Applications/iOSUpdater.app/iOSUpdaterHelper.dmg
  • Copy contents off (essentially cp -r /dev/{DMG}/* /)
  • Reboot
  • Daemon runs and patches files
  • Daemon deletes Trampoline
  • Reboot

iOSUpdater.app Notes

  • Placing it in iTunes and adding it to the device will allow the update.
  • Updater can't be deleted on device, but can with iTunes.
  • Requires elevated (root) privileges (as far as I can tell)
  • Update doesn't work if app is installed with iTunes.
  • Deleted on successful update to 6.0.1 (10A525).

External links

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