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HUAWEI Mate 30 Pro can’t connect WiFi
Machine model: HUAWEI Mate 30 Pro
Malfunction: The mobile phone can’t connect to WiFi.
Maintenance process: After getting the phone, test it. The phone can’t connect to WiFi.
HUAWEI Mate 30 Pro can’t connect WiFi Figure 1.
This is an Previously repaired machine, and the WiFi chip has been repaired at home. Measuring the power-on WiFi chip VCC is normal, so I found the Crystal iron shell directly. After unpacking, I took down Crystal and found that two Crystal of Crystal were dropped.
HUAWEI Mate 30 Pro can’t connect WiFi Figure 2.
HUAWEI Mate 30 Pro can’t connect WiFi Figure 3.
Find a new Crystal, put it on, and put the motherboard back inside the phone.
HUAWEI Mate 30 Pro can’t connect WiFi Figure 4.
Restart the phone for testing, WiFi can be turned on normally, and the fault is repaired.
HUAWEI Mate 30 Pro can’t connect WiFi Figure 5.
