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Difference between revisions of "Bootrom Dumper Utility"
(→Info / Instructions: there is no 1.0.9 released yet, so that's wrong) |
(→Info / Instructions) |
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0x8b7 @ iPhone 3GS new bootrom |
0x8b7 @ iPhone 3GS new bootrom |
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0x8b7 @ iPhone 3GS old bootrom |
0x8b7 @ iPhone 3GS old bootrom |
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| − | + | 0x82c @ iPod touch 2G new bootrom |
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| − | + | 0x82d @ iPod touch 2G old bootrom |
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* exploit offsets in bdu.c |
* exploit offsets in bdu.c |
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Revision as of 03:16, 5 March 2012
The Bootrom Dumper Utility (short BDU) is an application that will create a copy (aka dump) of the Bootrom of compatible devices on the local machine from where the application is run.
Credit
Info / Instructions
- you need a mac or linux box to use it / build it
- libusb 1.0.8 required
- execute it with root privileges (sudo ./bdu)
- by default compatible only with A4 devices: (iPhone 4, iPod 4G, iPad, AppleTV 2)
It's possible to extend the compatibility to older devices as well (iPhone 3GS, iPod 3G) by changing:
- the offset to the call of usb_wait_for_image in payload.S
0x7ef @ A4 devices: iPad 1, iPhone 4 (GSM+CDMA), Apple TV 2G, iPod touch 4G 0x8b7 @ iPod touch 3G 0x8b7 @ iPhone 3GS new bootrom 0x8b7 @ iPhone 3GS old bootrom 0x82c @ iPod touch 2G new bootrom 0x82d @ iPod touch 2G old bootrom
- exploit offsets in bdu.c
// A4: #define EXPLOIT_LR 0x8403BF9C #define LOADADDR_SIZE 0x2C000 // iPod touch 2G: #define EXPLOIT_LR 0x22000000 #define LOADADDR_SIZE 0x24000 // iPod touch 3G: #define EXPLOIT_LR 0x84033F98 #define LOADADDR_SIZE 0x24000 // iPhone 3GS new bootrom: #define EXPLOIT_LR 0x84033FA4 #define LOADADDR_SIZE 0x24000
