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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair

iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 10-19-2010, 20:25   #1 (permalink)
mp3
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Iphone4 Mic Not Working Thread.....

As we all know that most common problem with Iphone4 is the Microphone, even how many times you change the mic or mic flex assembly still the problem didn't resolve. Hope this thread will help us analyze the best solution for this issue. I will post the possible solution but let us try to cement the best solution if there's any.

Mic w/ Docking Flex Assembly


Docking Flex with board system connector


Audio Codec


Audio Power Amplifier


Any successful stories about this issue please confirm. Thanks.

Best Regards,
Mp3
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Old 10-20-2010, 02:42   #2 (permalink)
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anybody who can resolve this issue?
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Old 10-20-2010, 08:43   #3 (permalink)
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my Problem with the mic is only when i make a call the other person cant hear me!
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Old 10-20-2010, 14:26   #4 (permalink)
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Quote:
Originally Posted by apendix View Post
my Problem with the mic is only when i make a call the other person cant hear me!
YES...this is the issue that im wanted to raise and hoping that we can resolve this as soon as possible. Even in Apple forum they can't even find a solution for these.

Working in Voice and video camera recording but the problem occur only when calling.

Hope that we can make solution about this issue.

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Mp3
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Old 10-20-2010, 14:37   #5 (permalink)
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hello have you guy's try to do software on your iphone 4,normaly if it is working on recorder but not in call its a software issue
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Old 10-20-2010, 14:51   #6 (permalink)
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Quote:
Originally Posted by arlbie View Post
hello have you guy's try to do software on your iphone 4,normaly if it is working on recorder but not in call its a software issue
Thanks for your reply but I don't think it's the software issue. I have here in my shop more than 10 units after flashing ver4.1 (recommended version for Iphone4) still the same. But few of this damage phone had been jailbreak already.
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Old 10-21-2010, 09:29   #7 (permalink)
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its good topic to share our expriences about iphone4 but i think still nobody have solution for this problem.

hopefully iphone hardware experts working on it.

Regards,
NOKIA0077
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Old 10-24-2010, 05:05   #8 (permalink)
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Still can't solve problem!!!!
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Old 10-24-2010, 06:50   #9 (permalink)
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Quote:
Originally Posted by apendix View Post
my Problem with the mic is only when i make a call the other person cant hear me!




This problem it's cause by the second mic (noise cancellation mic), if that mic dont work whatever the main mic senses will be trated as noise.

my best bet is to check and change the secondary mic

Note: noice cancellation only works when making a phone call (that's why does not affect the other funcions like recorder etc etc)


The real question is if NOISE CANCELLATION FEATURE can be disable by software...........................???
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Old 10-24-2010, 08:01   #10 (permalink)
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i got same problem i tried to changed the mic assembly flex,headset but still had nothing to do with me..any suggestion from anyone who resolved this issue will gladly appreciated..thanks...
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Old 10-25-2010, 03:38   #11 (permalink)
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Originally Posted by dodzkie View Post
i got same problem i tried to changed the mic assembly flex,headset but still had nothing to do with me..any suggestion from anyone who resolved this issue will gladly appreciated..thanks...


Can i suggest, in the old assy can you take the mic out and re-fit the flex assy ..............................just to test how phone will behave actually with the second mic compleatlly removed.


Br
Alex
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Old 10-26-2010, 04:47   #12 (permalink)
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Quote:
Originally Posted by alexlaboratory View Post
This problem it's cause by the second mic (noise cancellation mic), if that mic dont work whatever the main mic senses will be trated as noise.

my best bet is to check and change the secondary mic

Note: noice cancellation only works when making a phone call (that's why does not affect the other funcions like recorder etc etc)


The real question is if NOISE CANCELLATION FEATURE can be disable by software...........................???
Your solution don't work ok with my iPhone 4. My iPhone is no sound when calls, recording is ok! Plz give me solution! Thank for ur help!
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Old 10-26-2010, 05:04   #13 (permalink)
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Quote:
Originally Posted by mp3 View Post
As we all know that most common problem with Iphone4 is the Microphone, even how many times you change the mic or mic flex assembly still the problem didn't resolve. Hope this thread will help us analyze the best solution for this issue. I will post the possible solution but let us try to cement the best solution if there's any.

Mic w/ Docking Flex Assembly


Docking Flex with board system connector


Audio Codec


Audio Power Amplifier


Any successful stories about this issue please confirm. Thanks.

Best Regards,
Mp3
I change all component you say but can't solve problem! I changed secondary mic, but still no sound when calls! Any one have experience about this problem?
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Old 10-26-2010, 08:17   #14 (permalink)
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Second Mic on iPhone 4? where its located?
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Old 10-26-2010, 19:43   #15 (permalink)
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Quote:
Originally Posted by arlbie View Post
hello have you guy's try to do software on your iphone 4,normaly if it is working on recorder but not in call its a software issue

i also tried it 3 or 4times just only today this problem i make reset,erase all content.restore but the problem still there when you check recording mic is working but when you make call its not working i even also change the mic flex cable but its the same problem..if anybody have solution to this problem please share it here
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