in-call sound always on speaker

leonidm

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Nov 25, 2010
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i have LG Optimus S with ZVC stock ROM rooted. on all of my phone calls sound comes from a rear speakerphone and not from an earpiece. If I click on the "Speaker" botton, the sound still comes out of speakerphone but much lauder.
If I factory reset the phone. Everything goes back to normal. If I do NAND restore the problem comes back. so it must be some setting that I can't find. :(
I can't do partial titanium restore because after factory reset the phone is practically not rooted. I can re-root it but i was trying to avoid it. Does anyone have an idea as what is going on with my phone?