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The LG G4 was released in the US in early June 2015, as always focusing on high-end specifications and a refined fashion sense that makes it stand out in the premium smartphone market. Each version of the phone will have a different model number based on if it is sold by a carrier or unlocked (US or International). Some LG G4's are known to have bootloop problems.

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Replaced headphone jack, still does not work?

Original issue: Headphone jack did not work. It did not register if even something was plugged in (per the icon in the bar not appearing), even after restarts. The 3.5mm jack did not have the “click” of the headphones in the speakers, and the jack felt as though a spring was off.

I replaced the headphone jack (followed the guide) and, after the new part did not fix the issue, I opened it back up, used an AUX cord to test the jack’s continuity, found that the jack had no problems. I then tried to test the continuity between the connections on the board and the jack, as it just ‘sits in there’, no spring-loaded connectors, only to find it looking to be right, although I did not have a small enough probe size. Does this mean I will need to replace my logic board?

Side question: does the number of pins in the jack (5) mean that it will work with both Jack standards?


Part number of jack is IF303-029-1

Guide followed is LG G4 Headphone Port Replacement

Board is IF303-035-1 (Wow costs more than I payed for the phone used)

Answered! View the answer I have this problem too

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@catshifter follow the LG flowchart and check the coils before replacing the board

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I am having a bit of trouble. I answered “yes” (did not display icon, still played through speakers) to the first question. Does that mean the bad part is ‘L6653’ coil? Thanks!


@catshifter it means that this could be the part in question. You will always have to check deeper.


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