In today’s world, few people will remain indifferent to the situation when the wi-fi module has stopped working in your device. Using the iPhone 7 as an example, we will show you how to find and eliminate this malfunction – we will return the much-needed function to the device and delight its owner. At bgacenter, we will teach you how to make money on such repairs.
Customer brought iPhone 7 for repair at bgacenter with fault: wi-fi is not working
Most often, such a malfunction occurs after the device falls.
Further, several scenarios are possible:
After disassembling the phone, we made a visual inspection of the board for the presence of:
Inspection of the board showed nothing.
It was decided to measure the voltage in the power circuits of the WLAN_RF chip.
All voltages correspond to the voltages indicated in the circuit and the voltages of a fully operational telephone.
The following problems are possible:
It was decided to dismantle the Wi-Fi module.
During the installation of Wi-Fi, heat sinks were used in order to prevent overheating of adjacent chips.
Before turning on the phone, we made sure that there was no short circuit by connecting the board to the laboratory power supply and applying voltage to it.
Then we installed the board in the phone case, turned on and checked the iPhone – the Wi-Fi chip is active.
If wi-fi does not work in iPhone 7, the repair takes about 1 hour. Repair cost “Wi-fi does not work in iPhone 7” for a retail client, in service centers of St. Petersburg starts from 8000 rubles. If you want to learn how to carry out such repairs, consider the Soldering Training program at BGAcenter.