Here he writes: iPhone X Error 4013 Do a cosmetic check on the motherboard first The motherboard is not mutilated or water marred Let’s install the motherboard and check Press the dominance button The telephone penetrates convalescence procedure automatically Judging by that, the motherboard comes with a reinstate flop and therefore cannot For the phone to enter the system ordinarily Let’s restore the phone and check if it comes with error 4013 Connect the phone to the computer Restore the phone with 3U tools The phone can be restored commonly What’s more, the phone can be activated normally after the rehabilitate Go to Settings> General> About We can check the baseband knowledge here We can now confirm that the motherboard is normal The fault may be related to other characters Install the earphone speaker and sensor flex cable and breast flex cable Turn on the phone The phone is stuck on the Apple logo and continues to restart from This, the error is related to the earphone and sensor flex cable or front camera flex cable Unplug the earphone and sensor flex cable Press the ability button to turn on the manoeuvre The phone is working ordinarily we can confirm it now the error is related to the earphone and sensor flex cable Check the earphone and sensor flex cable The sensor flex cable is moldy Repair the earphone and sensor flex cable with high temperature tape with hot air gun Remove the flood light module We can We see that her bonding pad is badly rusted Put some flow of putty on the bonding pad Clean the bonding pad with your soldering iron and then continue to apply solder paste on the heavily rusted card Clean with PCB cleaner subsequentlies Once you are done apply some flux of putty On the bonding pad Put the flood light module in the correct orientation Solder the hot air gun then install the earphone and sensor flex cable Connect the battery Press the dominance button The phone acts commonly because the two flex cables “re not” connected during the previous restore We need to restore again with Connect the two so that Face ID can work naturally Put the phone into DFU mode and then connect the phone to the computer Restore the phone with the help of a 3U tools The phone can be restored ordinarily once finished, the telephone registers information systems ordinarily Setting Face ID is also regular The error is cleared
