Repair tutorial: Repair iPhone 6S automatic DFU can not start failure
The customer sent us an iPhone, and the customer said that the device automatically entered DFU mode and could not boot. How to repair it? What tools we need? please read the following steps.
Disassembling the power supply and power on to 100mA by iphone graver tool. First, check whether it can be connected, it reads DFU mode after connecting the computer. Wireless DFU can not exit, we can do nothing but brush the machine to see the error
Brushing with Aisi and iTunes respectively, after stuck on the progress bar for a long time, the error is -1. If the progress bar does not go, you can roughly judge the probability of the CPU failure. Now we do something to the hard disk. First, test the power supply by DC power supply for iphone repair, the hard disk on the left side of the capacitor can be tested to 0.9V, 1.8V, 3.0V, the power supply is normal.
Delete the hard drive you want to test. First, it is normal to reach the resistance value. Test the hard disk using the iphone test fixture. This 6S original hard disk is damaged, the data can only be read but can only be replaced.
First, query the serial number through IMEI. The professional of sn with BT WF address can find out the Bluetooth and WiFi address (referred to as the three codes). After the mobile phone is replaced, the mobile phone after win 11 must be written to the original three codes to activate after replacing the hard disk.
Before writing the code, write the underlying data of the corresponding model first. If the underlying data has any problems, there will be some strange problems, which belongs to the underlying error phenomenon. So you can use JC PCIE IPhone 8 8P X NAND test fixture to read and write. After watching the camera, the screen is reversed. Re-writing the underlying data to solve the problems
There are also some hard disks, 4.7-inch mobile hard disks on the 5.5-inch machine, incorrect underlying data can also contribute to innormal subtitles display. This 6S boot DFU brush machine does not go, the fault is solved after replacing the hard disk.
If you have more questions for professional iPhone repair, please contact VIP FIX Shop Team on www.vipfixphone.com.
Disassembling the power supply and power on to 100mA by iphone graver tool. First, check whether it can be connected, it reads DFU mode after connecting the computer. Wireless DFU can not exit, we can do nothing but brush the machine to see the error
Brushing with Aisi and iTunes respectively, after stuck on the progress bar for a long time, the error is -1. If the progress bar does not go, you can roughly judge the probability of the CPU failure. Now we do something to the hard disk. First, test the power supply by DC power supply for iphone repair, the hard disk on the left side of the capacitor can be tested to 0.9V, 1.8V, 3.0V, the power supply is normal.
Delete the hard drive you want to test. First, it is normal to reach the resistance value. Test the hard disk using the iphone test fixture. This 6S original hard disk is damaged, the data can only be read but can only be replaced.
First, query the serial number through IMEI. The professional of sn with BT WF address can find out the Bluetooth and WiFi address (referred to as the three codes). After the mobile phone is replaced, the mobile phone after win 11 must be written to the original three codes to activate after replacing the hard disk.
Before writing the code, write the underlying data of the corresponding model first. If the underlying data has any problems, there will be some strange problems, which belongs to the underlying error phenomenon. So you can use JC PCIE IPhone 8 8P X NAND test fixture to read and write. After watching the camera, the screen is reversed. Re-writing the underlying data to solve the problems
There are also some hard disks, 4.7-inch mobile hard disks on the 5.5-inch machine, incorrect underlying data can also contribute to innormal subtitles display. This 6S boot DFU brush machine does not go, the fault is solved after replacing the hard disk.
If you have more questions for professional iPhone repair, please contact VIP FIX Shop Team on www.vipfixphone.com.
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