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'''iBoot''', also referred to as “iBoot second-stage loader” in the source code, is Apple's stage 2 bootloader fo ...sh</code> subdir, e.g. <code>Firmware/all_flash/all_flash.n81ap.production/iBoot.n81ap.RELEASE.img3</code>, where the "n81ap", "k90", etc.. are for the i-De

...ission checks in 1.0-1.1.4 iBoots, so it was exploitable to load a patched iBoot, but in 2.0 iBoots, this command has a permission check to make sure it is ...iPod touch]], and can be used to boot a modified 2.0+ [[iBoot (Bootloader)|iBoot]]. Therefore, it is still an open exploit for these devices.

Recovery Mode is a failsafe in [[iBoot (Bootloader)|iBoot]] that is used to reflash the device with a new OS, whether the currently i ...sh amber in an SOS style to indicate that the Mac mini or Mac Studio is in iBoot Recovery Mode.

...r Mac OS X, Linux, and Windows. It is able to talk to [[iBoot (Bootloader)|iBoot]] and [[iBSS]] and [[iBEC]] via USB. It's completely open source; the sourc Once it has spawned, you can type 'help' and iBoot will respond with its built-in command list.

==FULL information about iBoot's handling of crypted 8900 images== ...or 0x0220a0e3 or 0x0020a0e3 would take me to the MOV r2, #2 and MOV r2, #0 commands respectively, but if I found anything, it wasn't near anything that resembl

===Commands=== Reversings of various routines that relate to the iBoot flags in an effort to find out what does what.

...d two commands from what was presumably a DEBUG fused [[iBoot (Bootloader)|iBoot]]: arm7_stop and arm7_go. They were promptly removed in 2.2, but in 2.1.1 i ...yload for it to run, but one that patches [[iBEC]] or [[iBoot (Bootloader)|iBoot]] in memory would do fine.

ROM:00000014 ; this patches the iboot flags to allow no range check, ...; no permission check for restricted commands, aes gid

*Includes Terminal shell commands into the GUI. ** Untethered for iPhone 3GS devices with the [[iBoot-359.3|old bootrom]].

...n of the ramdisks in an [[IPSW File Format|IPSW]] file. The listed console commands are applicable to the [[S5L File Formats#IMG2|IMG2]] or [[IMG3 File Format| ...]]. The decryption key wasn't obscured however, and a simple analysis of [[iBoot]] by [[User:Zibri|Zibri]] revealed the [[AES Keys#Key 0x837|0x837 key]].

* Use an exploit that Apple already knew about (newer [[iBoot]]s shows the exploit patched) Initializing commands

....0.1 or later). Currently available for Windows and Mac. It utilizes the [[iBoot Environment Variable Overflow]]. # purplera1n sends the enter recovery commands using [[MobileDevice Framework]]

{{DISPLAYTITLE:iBoot Environment Variable Overflow}} This is an exploit in [[iBoot (Bootloader)|iBoot]]'s parsing of commands and environment variables.

...'''ingle '''S'''tage'') is a stripped down version of [[IBoot (Bootloader)|iBoot]], missing things such as interacting with the [[/|filesystem]]. Can be upl ...ing to Apple’s source code, ''“dongle products get an iBSS with all of iBoot’s recovery mode accroutements, EXCEPT for filesystem support”''.

=== Commands === * [[bootx (iBoot command)|bootx]]

...ads the [[kernel]] from [[NAND]] and executes it. The thing here is that [[iBoot]] checks signatures on everything. It checks signatures on the [[kernel]], ...ted. The [[Restore Ramdisk]] and [[kernel]] is also signature-checked by [[iBoot]], and [[restored]] itself signature-checks the [[ASR]] image in a [[NOR]]