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iPhone 11 can’t connect to WiFi and Bluetooth
Machine model:iPhone 11
Fault phenomenon:iPhone 11 cannot connect to WiFi and Bluetooth
iPhone 11 can’t connect to WiFi and Bluetooth Figure 1.
Maintenance process: after receiving iPhone 1 11, the test function found that WiFi Switch gray could not be turned on, Bluetooth could not be connected, and compass could not be used.After dismantling and testing, it is found that the main board has obvious deformation. According to the previous maintenance experience, such machines are generally middle-level Inveracious Soldering and pad break off.
iPhone 11 cannot connect to WiFi and Bluetooth Figure 2.
separate came down and found that there was no pad break off. After cleaning up PAD, it was found that WiFi Baseband was available. It seems that Inveracious Soldering fell into the middle layer. After pasting it again, the test function was normal.
When the mobile phone is rebooted, Bluetooth, WiFi and Bluetooth can be used. If you change the screen for the customer, the fault will be repaired perfectly. The repair is over.
iPhone 11 cannot connect to WiFi and Bluetooth Figure 3.
