Manual Solution
In manual solution method, all you have to do is to:
Record your voice through sound recorder in order to verify whether it is working or not (Low Sound or No Sound at all)
Check volume level of your iPhone 4s.
If you are still not able to get this thing fixed, than all you have to do is to go with its:
Hardware Solution
Hardware Solution for iPhone 4S MIC and Speaker problem includes:
IPhone 4S Primary MIC and Speaker Problem
iPhone 4s Mic metal Sheet
Clean metal sheet covering of Mic.
iPhone 4S Mic rubber
Verify whether Primary MIC rubber cap is in proper position or not, if not then fix it or change it.
iPhone 4s Charging Dock, Mic and Flux Cable
iPhone 4s Flux Cable
If the above method doesn’t solves the problem then Change Flux Cable. Flux Cable is the main cable for Charging Dock and Primary Mic.
iPhone Flux Cable and secondary Mic connector
If it doesn’t works then Re-solder “First” and “Third” Connector Pin of Flux Cable connector.
iPhone 4s Audio Codec
If it is still not working then gently heat “Audio Codec” IC. Replace it if it is still not working.
IPhone 4S Secondary MIC Problem
iPhone 4s Secondary MIC Connector
Check 2nd and 3rd pin of Secondary MIC connector and re-solder it using Soldering Hand. Secondary MIC connector is also the connector for Audio Jack and Volume button. (Strip is also same for all three components)
Secondary Mic Speaker AJ and Volume Strip
If the above method doesn’t work then change the entire strip / Cable
MIC and Speaker Controller IC
Gently Heat MIC and Speaker controller IC or Change it.
In manual solution method, all you have to do is to:
Record your voice through sound recorder in order to verify whether it is working or not (Low Sound or No Sound at all)
Check volume level of your iPhone 4s.
If you are still not able to get this thing fixed, than all you have to do is to go with its:
Hardware Solution
Hardware Solution for iPhone 4S MIC and Speaker problem includes:
IPhone 4S Primary MIC and Speaker Problem
iPhone 4s Mic metal Sheet
Clean metal sheet covering of Mic.
iPhone 4S Mic rubber
Verify whether Primary MIC rubber cap is in proper position or not, if not then fix it or change it.
iPhone 4s Charging Dock, Mic and Flux Cable
iPhone 4s Flux Cable
If the above method doesn’t solves the problem then Change Flux Cable. Flux Cable is the main cable for Charging Dock and Primary Mic.
iPhone Flux Cable and secondary Mic connector
If it doesn’t works then Re-solder “First” and “Third” Connector Pin of Flux Cable connector.
iPhone 4s Audio Codec
If it is still not working then gently heat “Audio Codec” IC. Replace it if it is still not working.
IPhone 4S Secondary MIC Problem
iPhone 4s Secondary MIC Connector
Check 2nd and 3rd pin of Secondary MIC connector and re-solder it using Soldering Hand. Secondary MIC connector is also the connector for Audio Jack and Volume button. (Strip is also same for all three components)
Secondary Mic Speaker AJ and Volume Strip
If the above method doesn’t work then change the entire strip / Cable
MIC and Speaker Controller IC
Gently Heat MIC and Speaker controller IC or Change it.