Apple IOS Firmware Update Format
Apple
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Files with the .DFU extension low-level system data – namely device information used for booting mobile devices manufactured by Apple, such as the iPhone and the iPad.

DFU files are contained in IPSW packages, which, together with other types of files, are used for updating devices. DFU stands for Device Firmware Update.

Mac OS
iOS

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Last updated

.mmf 04/13/2023
.mup 04/13/2023
.itl 04/13/2023
.scs 04/10/2023
.crypt 04/10/2023
.pnp 04/10/2023
.tap 04/10/2023
.btr 04/03/2023