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Thread: Samsung Galaxy S4 speaker making crackling noise

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    Question Samsung Galaxy S4 speaker making crackling noise

    Hi,

    My wife's Samsung Galaxy S4 was dipped on water by our little one and she immediately took it out and removed the battery. Phone was left to dry for 6-7 days. When she put the battery back and switched it on, it worked but started making crackling noise on welcome screen and screen unlocking.

    Being a techie, I took a challenge to fix it. I diagnosed the following problems.

    1. I was able to make calls and hear the person on the other side but he was unable to hear me (possible microphone issue).

    2. On hands free, called was able to hear me but S4's speakers were making weird noise.

    3. On welcome screen (samsung logo) and screen unlock handset was making weird noise.

    I washed it's motherboard with 70% alcohol and replaced it's mic and speaker. Now mic is working but spear still makes weird crackling noise. It works perfectly with car bluetooth and headphones.

    Can anyone please suggest me what could be the reason and how I can fix it.

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    Audio driver chip...?
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    Quote Originally Posted by RichH View Post
    Audio driver chip...?
    Hi, Could you please explain bit more. Is there any way to test that chip is gone?

    Is it easily replaceable?

    Thanks

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    No idea mate.
    I doubt anything like that is replaceable - It's most likely a complete motherboard change required.
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    Quote Originally Posted by jattscorpion View Post
    Hi, Could you please explain bit more. Is there any way to test that chip is gone?

    Is it easily replaceable?

    Thanks
    I don't think anything is wrong with motherboard. I can hear the ringtimes, music, welcome sound, key sound etc. But sound is not clear, there is some disturbing noise with it.

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    The only suggestion I have (based on the advice of others) is this app https://play.google.com/store/apps/d...utingfix&hl=en
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    Quote Originally Posted by RichH View Post
    The only suggestion I have (based on the advice of others) is this app https://play.google.com/store/apps/d...utingfix&hl=en
    Thanks, I will check it out.

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    I had the same issue, but it was more like a fingernail scraping a chalkboard sound. Now, there's very low sound coming out of the speaker. I have swapped the speaker boards and it still has no audio.. However, when I have my headset plugged in, I'm getting full audio through it. Any ideas?

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