The problem of how the iPhone12 enters the DFU mode is naturally familiar to many old Apple fans. Although it is used less in daily life, it is still necessary to enter DFU mode to recover and rescue in the case of iPhone refresh failure.
First, you need to know what a DFU pattern is.
DFU stands for Development Firmware Upgrade, which translates to \"Develop firmware upgrades\". This is a model of forced promotion and demotion in Apple mobile phones, and the class is the \"strong brush\" with Android. It does not need to enter the iOS system, you can re-install the iOS system from the foundation, mainly used to solve the Apple mobile phone black screen, jailbreak failure, upgrade failure and other faults.
Let's take a look at how the iPhone12 enters DFU mode.
The method of entering DFU mode for the iPhone12 is the same as for the previous iPhone11 series, following the following three steps:
1. Keep the device in startup or recovery mode and insert the data cable.
2. Press the Volume Up button once to release the device, press the Volume Down button again to release the device, and then hold down the Power button.
3. Release the \"Power button\" when the device screen is off, then immediately press and hold the \"Power button\" and \"Volume down button\" for about 5 seconds to release the \"Power button\
This method works for iPhone 8 or later. (For iPhone 8\/8 Plus, iPhone X Series, iPhone 11 Series, iPhone 12 Series, iPad Pro3(11-inch)\/(12.9-inch)))
Apple began with the iPhone8, Apple adopted a full screen mobile phone, cancelled the Home button, so many operations are also adjusted, and the previous old model is not the same. If you have a model before iPhone 8, do as follows:
- How to enter DFU mode on iPhone 6s and earlier models, iPad or iPod touch:
1. Keep the device in startup or recovery mode and insert the data cable.
2. Press " of the device first; HOME button " Do not release, then press the device's " Power button " Do not release the device until the screen is off. Release the device about 4 seconds later. Power button " , but don't let go. HOME button " , until the software connection status prompts \"DFU mode\" and then click. HOME button " Release.
(Note: iPad Air 3\/mini 5 still uses this method).
- How to enter DFU mode on iPhone 7\/7Plus or iPod touch 7:
1. Keep the device in startup or recovery mode and insert the data cable.
2. Press " of the device first; Volume reduction key " Hold down the Power button of the device until the device screen is off. Release the Power button of the device about 4 seconds later, but do not release the Volume Down button until the software connection status prompts \"DFU Mode\".
First download the firmware and then follow the steps to refresh the machine (off and on state can be)
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1. Open iTunes.
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2. Hold down the power button on the top of the apple for 3 seconds.
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3. Do not release the power button while holding down the home button for 10 seconds.
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4. Release the power button and press and hold the home button for 30 seconds until iTunes automatically detects that the iPhone is in recovery mode.
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5, when the phone successfully entered the recovery mode, hold down the \"shift\" key on the keyboard, click the \"recovery\" button, select the downloaded firmware, and perform the refresh operation.