What is DFU Mode ?
DFU is an abbreviated for “Device Firmware Upgrade”. This mode is not is a recovery mode or restore mode at all. In DFU mode, the iPhone screen goes completely black showing nothing on it. If you have anything on your display you are not in DFU mode and you can repeat the following steps to reach DFU mode until you do it successfully.
Following methods are well know to reach DFU mode in a few simple steps.
Method 1:
- Connect your iPhone, iPad or iPod Touch to the machine (PC or Mac)
- Turn the device off while it’s connected to the PC – Long press power button and slide to turn off.
- Hold power button and home button together for “exactly” 10 seconds.
- Release the power button but keep holding home button until the PC beeps when detects the connected device.
- After being detected by the PC, your device should remain blank with no Apple or wire logo on it. You are in DFU mode.
Method 2
- Power on your iPhone, iPad or iPod Touch and connect it to the machine (PC or Mac)
- Hold home button + power button until the phone turns off and keep holding for 10 more seconds – If the phone turns back on during this process, you have done it wrong. Start over and hold for a little less time.
- Before the device turns back on, release power button but keep holding the home button until the PC detects the connected device.
Method 3
- Connect your iPhone, iPad or iPod Touch to the machine (PC or Mac)
- Turn the device off while it’s connected to the PC – Long press power button and slide to turn off.
- Press and keep holding the power button. As soon as you see any kind of display activity on the device, press and hold the home button. Now keep holding both power button and home button for “exactly” 10 seconds.
- Release power button but keep holding home button until the PC detects the device.
- After being detected by the PC, your device should remain blank with no Apple or wire logo on it. You are in DFU mode.
You can try any method above as long as you do not successfully enter DFU mode by repeating above steps. The major key element in above steps is the 10 second dual key press. Concentrate on that while trying again or you can try lowering the 10 seconds span to 9, 8 and then 7 repeatedly until you get it right.