The customer said that he did not know what the reason was. The mobile phone has been restarted indefinitely and can enter the DFU mode. However, when the flashing machine fails to enter the recovery mode from the DFU mode, and then the mobile phone is connected to the computer for 5-10 minutes, it automatically enters the recovery mode. After we received the 6S that could not be started, we disassembled the power with iphone engraving tool and turned on the power to 100mA. First of all, check if you can connect and read the DFU mode after connecting to the computer. Wireless DFU can not exit, we can only brush the machine to view the error. Refresh Aisi and iTunes respectively. If you stuck on the progress bar for a long time, it is very likely that the error is -1. If the progress bar does not enter, you can roughly determine the probability of a CPU failure. Now we need to see if there is a problem with the hard drive. First, use DC power supply for iphone repair, the hard disk o
When using the iPhone6, there may be occasions when there is no service. So how do you solve this problem? Received a faulty iPhone 6 phone from the customer, customer description: often no service, display search signal on the iPhone display. Detailed description When the iPhone is in the no-service state, there is no IMEI after dialing *#06#. According to our previous repair experience, it may be due to the RFFE1 and RFFE2 bus of the iPhone baseband causing this iPhone to have no service failure. By examining the iPhone schematic with WUXINJI Dongle , we found that the two sets of buses are the various ICs that the baseband CPU uses to manage the signal portion. For a lost iPhone, the circuit of RFEE1_DATA to the U1 pin is usually disconnected. Use the phone opening tool to remove the iPhone and remove the iPhone motherboard. Then use the QUICK 861DW hot air rework station to heat the iPhone baseband, then remove it with tweezers and then jump from the solder