Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
iPhone 12 has no signal,How to repair
Machine model:iPhone 12
Fault phenomenon: the mobile phone has no signal.
iPhone 12 has no signal,How to repair Figure 1.
Repair process: the mobile phone does not have Baseband, which leads to no signal of the mobile phone. When inputting the password, the mobile phone is stuck. Generally, the NFC is not working properly, which will cause the password to be locked.
There are several reasons for the abnormal operation of NFC: the first is that the working conditions are not satisfied; the second is that the NFC chip is broken; the third is that there is a problem with the CPU communication circuit; the fourth is that the CPU Inveracious Soldering is out of order.
iPhone 12 has no signal,How to repair Figure 2.
Because iPhone 1 12 mobile phone is a double-layer motherboard, NFC chip in the lower motherboard, CPU in the upper motherboard,Move Board (move the main chips to another motherboard)may not be the middle-level welding good.It’s good to have welding again.
iPhone 12 has no signal,How to repair Figure 3.
Power on test, input the password to open the phone smoothly, the mobile phone signal is full, the fault is repaired perfectly.
