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Difference between revisions of "DFU Mode"
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− | '''DFU''' or '''Device Firmware Upgrade''' mode allows |
+ | '''DFU''' or '''Device Firmware Upgrade''' mode allows all devices to be restored from any state. |
− | ==Entering / Exiting DFU== |
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− | Software cannot be used to reliably enter DFU. Software methods rely on sending a signed WTF file which either calls the "real" DFU mode in bootrom or emulates it. Only ones calling the bootrom DFU is useful for exploiting bootrom (unpatchable) exploits and none exist that work for firmware 2.0 and later. If you are attempting to exploit the DFU, it is advisable to always use the hardware method. If your NOR firmware is corrupted then you have no other choice but to use the hardware method. |
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+ | ==DFU Mode== |
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− | ===How to Enter True Hardware DFU=== |
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+ | ===Entering DFU Mode (Official Instructions)=== |
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# Plug your device into your computer. |
# Plug your device into your computer. |
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# Turn off the device. |
# Turn off the device. |
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− | # Hold |
+ | # Hold the Power button for 3 seconds |
+ | # Hold the Home button without releasing the Power button for 10 seconds |
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− | # Release Power, and keep holding Home |
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+ | # Release the Power Button but keep holding the Home button |
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− | # Keep holding home for 4-8 seconds or until you are alerted by your computer that it has detected a device in DFU. |
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+ | # Keep holding the Home button until you are alerted by iTunes saying that it has detected a device in Recovery Mode |
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+ | '''Make sure the device screen is blank and no logos are present''' |
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− | If the Restore Logo is present on the screen, you are in ''[[Recovery Mode]]'', '''not''' ''DFU''. |
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− | === |
+ | ===Exiting DFU Mode=== |
+ | Hold Home and Power Button till the Apple Logo appears |
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+ | |||
+ | ==DFU mode on [[K66ap|Apple TV (2G)]]== |
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+ | ===Entering DFU Mode=== |
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# Plug the device into your computer using a microUSB cable. |
# Plug the device into your computer using a microUSB cable. |
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# Force the device to reboot by holding down the "Menu" and "Down" buttons simultaneously for 6-7 seconds. |
# Force the device to reboot by holding down the "Menu" and "Down" buttons simultaneously for 6-7 seconds. |
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# Press "Menu" and "Play" simultaneously right after reboot, until a message pops up in [[iTunes]], saying that it has detected an [[K66ap|Apple TV]] in recovery mode. |
# Press "Menu" and "Play" simultaneously right after reboot, until a message pops up in [[iTunes]], saying that it has detected an [[K66ap|Apple TV]] in recovery mode. |
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+ | ===Exiting DFU Mode=== |
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− | |||
− | ===Exiting DFU=== |
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− | While in DFU, hold the power and home buttons for about 10 seconds (until you hear the "device disconnected" tone on your computer). This should get you out. |
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− | Note that sometimes if you do this, when the device reboots from DFU, it will go into recovery mode for unknown reasons. To exit out of recovery mode, just use [[iLiberty / iLiberty+|iLiberty]]. |
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==Revisions== |
==Revisions== |
Revision as of 10:27, 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
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.