Huawei P30 Pro WiFi can’t be opened for repair

Huawei P30 Pro WiFi can’t be opened for repair

Hello, everyone. Welcome to the Xunwei case sharing. First of all, I would like to thank Master Lai of Xunwei Technology Group for providing the example materials. 
Today, we will discuss the maintenance idea of a Huawei P30 Pro. 
Machine model: Huawei P30 Pro
Customer description: the mobile phone has no WiFi, so it can use runs slow. 
Malfunction: WiFi can’t be opened, and runs slow can be used. 
Fault analysis: The fault is determined in the WiFi chip and its related circuits.runs slow is caused by WiFi fault. After disassembling the phone, it was found that the WiFi chip had been repaired, and several pad break off and disconnected wires had been repaired. 

Huawei P30 Pro WiFi can’t be opened for repair Figure 1. 

Open Xinzhizao Soft drawing software and find the circuit part of WiFi chip. 

Huawei P30 Pro WiFi can’t be opened for repair Figure 2. 

It was found that a whole row of pin bits of Jump wire had both signals and VCC. This machine should be the whole chip pad break off caused by Fall hard. Now, it is necessary to patiently make up the points,  restore the short-term lines, and then put them back into the WiFi chip.