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Repair information and guides for the iPhone 8 that was released on September 22, 2017. Model: A1863, A1905

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iPhone 8 failed continuity testing!?

Hello, I am trying to refurbish an iPhone 8 and during continuity testing on the Soundboard Port (Circled in red) I received these readings as apposed to the usual “001”:

It averaged 1944 ohms when the red wire is north on the port, however it averaged 552 ohms when the red wire was south on the port

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I have tested the Battery, Screen and everything else and it all seems to be fine apart from this one port.

Has anyone had the same issue or just give advice as to what the issue could be and what steps I could take to repair the problem?

Thank you all in advance

  • Lewis :)
Answered! View the answer I have this problem too

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That is the correct diode reading for where you have your probes. This is the charging port connector. You are measuring the voltage drop between ground and a power rail. Believe me if the reading was .001 you would defiantly have a problem.

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Thank you! My knowledge into doing more advance repairs is at the beginner stage but i’m enjoying learning as I go. I’ll keep looking around and trying different things, thank you anyway :)

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Lewis James will be eternally grateful.
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