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Trampoline
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.dmgat/Developer - Copy contents off (essentially
cp -r /Developer/* /) - 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 and removed after (with iTunes).
- Update does work if app is installed with iTunes and started via the app.
- Deleted on successful update to 6.0.1 (10A525) or 6.0.2 (10A551)
- iOSUpdater.app synced via iTunes on iOS
iOSUpdater.app on SpringBoard
iOSUpdater.app on SpringBoard (trying to remove)
iOSUpdater.app after started from springboard
OTA Update Error
External links
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