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Difference between revisions of "DFU Mode"
(→Enter True Hardware DFU Mode Automatically) |
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| − | '''DFU''' or '''Device Firmware Upgrade''' mode allows all devices to be restored from any state |
+ | '''DFU''' or '''Device Firmware Upgrade''' mode allows all devices to be restored from any state. |
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==DFU Mode== |
==DFU Mode== |
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===Exiting DFU Mode=== |
===Exiting DFU Mode=== |
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==Enter True Hardware DFU Mode Automatically== |
==Enter True Hardware DFU Mode Automatically== |
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| + | The EnterDFU function in the [[MobileDevice Library|MobileDevice Library]] does not enter true hardware DFU Mode. |
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It is possible to Enter True Hardware DFU Mode without doing it manually but it cannot be exited unless a restore is performed.It is |
It is possible to Enter True Hardware DFU Mode without doing it manually but it cannot be exited unless a restore is performed.It is |
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called the [[DFU Loop]]. |
called the [[DFU Loop]]. |
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* iTunes Restore will error out and your device will be in DFU Mode |
* iTunes Restore will error out and your device will be in DFU Mode |
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| + | ==DFU Mode Output to the computer== |
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| + | <pre>iProduct: "Apple Mobile Device (DFU Mode)"</pre> <pre>iSerialNumber: "CPID:XXXX CPRV:15 CPFM:03 SCEP:03 BDID:00 ECID:XXXXXXXXXXXXXXXX SRTG:[iBoot-XXX.X.X]"</pre> |
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==Revisions== |
==Revisions== |
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===[[S5L8900]] (0x1222)=== |
===[[S5L8900]] (0x1222)=== |
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Revision as of 10:48, 19 November 2010
DFU or Device Firmware Upgrade mode allows all devices to be restored from any state.
Contents
DFU Mode
Entering DFU Mode (Official Instructions)
- Plug your device into your computer.
- Turn off the device.
- Hold the Power button for 3 seconds
- Hold the Home button without releasing the Power button for 10 seconds
- Release the Power Button but keep holding the Home button
- Keep holding the Home button until you are alerted by iTunes saying that it has detected a device in Recovery Mode
Make sure the device screen is blank and no logos are present
Exiting DFU Mode
Hold Home and Power Button till the Apple Logo appears
DFU mode on Apple TV (2G)
Entering DFU Mode
- Plug the device into your computer using a microUSB cable.
- Force the device to reboot by holding down the "Menu" and "Down" buttons simultaneously for 6-7 seconds.
- Press "Menu" and "Play" simultaneously right after reboot, until a message pops up in iTunes, saying that it has detected an Apple TV in recovery mode.
Exiting DFU Mode
Enter True Hardware DFU Mode Automatically
The EnterDFU function in the MobileDevice Library does not enter true hardware DFU Mode. It is possible to Enter True Hardware DFU Mode without doing it manually but it cannot be exited unless a restore is performed.It is called the DFU Loop.
Steps
- Make a copy of a fresh IPSW file
- Open the IPSW as a zip folder and browse to /firmware/all_Flash/all_flash.xxxxx.production/
- Delete LLB.*****.RELEASE.img3
- Rename the applelogo.xxx.img3 file to the deleted LLB.*****.RELEASE.img3 file name
- Save the file and restore the IPSW to your device using iTunes
- iTunes Restore will error out and your device will be in DFU Mode
DFU Mode Output to the computer
iProduct: "Apple Mobile Device (DFU Mode)"
iSerialNumber: "CPID:XXXX CPRV:15 CPFM:03 SCEP:03 BDID:00 ECID:XXXXXXXXXXXXXXXX SRTG:[iBoot-XXX.X.X]"
Revisions
S5L8900 (0x1222)
This is the device ID in the iPod Touch 1G, the iPhone, and the iPhone 3G. For more information about the protocol, see DFU 0x1222.
S5L8720, S5L8920, and WTF mode post-2.0 (0x1227)
This is the device ID in the iPod Touch 2G, the iPhone 3GS, and WTF mode. For more information on the protocol, see DFU 0x1227.
