Trampoline

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Revision as of 08:02, 19 November 2012 by Srb21103 (talk | contribs) (Process)
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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 /Applications/iOSUpdater.app/iOSUpdaterHelper.dmg at /Developer
  • 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

Install

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