This article discusses software internally used by Apple.
Acquiring a copy without Apple's consent is illegal and may result in being scammed.
Instead of restoring via a ramdisk, the restore tools appear to be right in the OS, suggesting restores were originally performed through userland.
- The iPhone Prototype came with 04.02.13_G
Flashing 04.02.13_G on a retail iPhone can be done with bbupdater, but results in loss of Carrier Network connectivity.