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The maintenance of iPhone startup constant current and current jump faults

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In this lesson, we mainly explain how to connect an iPhone to a computer

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There are two ways to connect your phone to your computer

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The first method is to plug in the data cable after the mobile phone is turned on,

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click trust on the screen,

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and enter the password to connect to the computer

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The second method is to enter the flash mode

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There are two Apple flashing modes, recovery mode and DFU mode

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Only after entering the flashing mode, we plug in the data cable,

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can the computer recognize the mobile phone

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If the mobile phone has a constant current when it is turned on,

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current jumps, stuck white apple or white apple restart, etc.,

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after plugging in the data cable,

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the computer cannot recognize the mobile phone

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So at this time, if we want to see the error report of the flash machine,

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we need to enter the recovery mode or DFU mode

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Enter the flash mode Method 1, enter the flash mode according to the key combination

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This method is suitable for mainboard whose current is above 200mA after booting

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The following is the operation method for different Apple models to enter the recovery mode,

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we can follow the steps

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Let's take the iPhone7 model as an example

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to demonstrate how to enter the flashing mode through a combination of keys

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First, open the flashing software in the computer,

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and connect the data cable to the computer

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When the mobile phone is turned off, turn on the adjustable power supply

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We press and hold the volume down button on the phone,

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then plug in the data cable

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Wait for about 10 seconds,

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the data cable icon will be displayed on the screen,

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at this time we release the volume down button

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The computer will show that it has entered the flashing mode,

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and we can flash the machine

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This method is suitable for models

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whose current can jump to more than 200mA after booting

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Enter the flash mode Method 2

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If we can't enter the flash mode through the first way,

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we can connect the computer through the professional data line into the flash mode

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This method is also suitable for models

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whose current jumps to more than 200mA after booting

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Next, I will demonstrate this method

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First, connect the flashing cable to the computer,

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and open the flash software on the computer

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When the mobile phone is turned off, connect the power cord,

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plug in the data cable, and wait for about 10 seconds

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At this time, the computer will display that it has entered the flash mode,

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and we can go to flash

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This method is also suitable for models with a current of more than 200mA after booting

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There are many professional data cables for entering the flash mode on Taobao,

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and the price is not expensive

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Ok, that's all for this video