Friday, May 26, 2017

Repair WIFI too weak to connect on iPhone6



Now your iPhone 6 wifi signal is weak and can not connect wifi, sometimes it could connect but can't use. The Wi-Fi chip has been replaced. You will certainly ask why. Vipprog answer for you.

After power on and test, signal cannot be searched with Wi-Fi switched on. After teardown the iPhone by new Screwdriveropening tool Set , we find the connection between the iron sheet and the Wi-Fi antenna is not doing well, as shown in picture 1-1.

1-1

Wi-Fi signal can be searched with the well connection between the iron sheet and the Wi-Fi antenna . But the Wi-Fi signal is not stable because customer has already replaced the Wi-Fi chip . First excluding the problems caused by Wi-Fi chip, we mainly measure Wi-Fi signal reception circuit.

After measuring, we know capacitance C5133_RF is short circuit. The location of C5133_RF is shown in picture 1-2 and in material object picture 1-3.
 1-2
 1-3
After replacing a new capacitance, turn on iPhone and test. The Wi-Fi signal keeps stable. Your iPhone problem is been solved.

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