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[Q] No sound from speaker + mic not working

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mrchao
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Question [Q] No sound from speaker + mic not working

I have had this problem for a while now.
I don't have any sound from my loud speaker in my S2, and the microphone is not working either.
I can only hear sound/use a mic when I connect an earphone (mic working is the earphones' mic).

I replaced these parts with new ones:

- earpiece speaker flex cable ribbon
- Loud Speaker Ringer Buzzer
- USB dock port flex cable (since the mic is in this part)

Nothing changed.
I'm pretty certain it is not software-related issue since I installed many roms since, and I even got back to stock, but it won't change anything.

What do you guys think? Any way I can resolve this issue?
 
banjara
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Quote:
Originally Posted by mrchao View Post
I have had this problem for a while now.
I don't have any sound from my loud speaker in my S2, and the microphone is not working either.
I can only hear sound/use a mic when I connect an earphone (mic working is the earphones' mic).

I replaced these parts with new ones:

- earpiece speaker flex cable ribbon
- Loud Speaker Ringer Buzzer
- USB dock port flex cable (since the mic is in this part)

Nothing changed.
I'm pretty certain it is not software-related issue since I installed many roms since, and I even got back to stock, but it won't change anything.

What do you guys think? Any way I can resolve this issue?
You are not gonna like my response but its time to visit service center or mobile repair shop.
Galaxy S2
ROM: NeatRom Lite 4.1.2
 
mrchao
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It's probably the motherboard right? Don't see much value in reparing it if this is the case since phones are getting pretty cheap today...
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