iPhone X No WiFi signal Repair

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Malfunction Phenomenon

The Wi-Fi function can work normally, but cant search Wi-Fi signals.

iPhone X No WiFi signal

Trouble Shooting

For iPhone X No WiFi signal issue. First, let’s take apart the phone and run the cosmetic inspection of the motherboard, after checking, everything looks fine.

Then detach the two layers of the motherboard from each other. According to the experience of repair, we need to resolve this issue with the dummy antenna method.

From the circuit diagram, connected a long line to L7704_W as an antenna, then display assembly installed and test, the Wi-Fi signal is normal. So we can confirm that the Wi-Fi module is in normal status.

iphone x no wifi signal repair q3jde

After that, connect a long line to L2011_E as an antenna, the Wi-Fi signal is also normal.

Then we connected a long line to L2009_E as an antenna, the Wi-Fi signal is abnormal.

iphone x no wifi signal repair qr3vk

So we can conclude that the fault is related to FLQPLX_E.

Need to get it replaced with a new one.

After replacing, then make the upper layer and lower layer solder together. Assemble it and test again, the problem resolved.

iPhone X No Wi Fi signal

iPhone X Motherboard Repair Course

 

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REWA Academy

As an enthusiastic educator and expert in mobile technology, REWA Academy has dedicated its career to empowering individuals through technical education. With a keen focus on cellphone repairs, they have developed comprehensive online and offline courses at REWA Academy. Their expertise spans a wide array of areas, including iPhone repair training, phone hardware, software, and advanced troubleshooting techniques. Through their writings, they aim to demystify mobile technology complexities, making it accessible and understandable for both novices and professionals in the field.

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