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Difference between revisions of "IMG4 File Format"
m (Typos, spice up) |
(Correction - /user/standalone/firmware has the IMG4 file, IPSW file has the IM4P file) |
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| − | There is an '''img4''' file (sep-firmware.img4) found in the IPSWFILE/Firmware/all_flash/all_flash.DEVICEIDENTIFIER.production for any [[A7]] (64bit) device. It has a IMG40 header, but also refers to [[IM4P File Format]]. |
+ | There is an '''img4''' file (sep-firmware.img4) found in /user/standalone/firmware on 7.0.4 for the iPhone5S. The IPSWFILE/Firmware/all_flash/all_flash.DEVICEIDENTIFIER.production for any [[A7]] (64bit) device containts an IM4P version of the same file. It has a IMG40 header, but also refers to [[IM4P File Format]]. |
The IMG40 structure is as follows: |
The IMG40 structure is as follows: |
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Revision as of 14:22, 26 December 2013
There is an img4 file (sep-firmware.img4) found in /user/standalone/firmware on 7.0.4 for the iPhone5S. The IPSWFILE/Firmware/all_flash/all_flash.DEVICEIDENTIFIER.production for any A7 (64bit) device containts an IM4P version of the same file. It has a IMG40 header, but also refers to IM4P File Format.
The IMG40 structure is as follows:
sequence [ 0: string "IMG40" 1: string encryption type - IM4P 2: string type - sepi (Secure Enclave Processor Image), ... 3: ... ]
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