My Iphone 4 doesnt record sound or the speakerphone works after lastest update

Hi Gus52,

Welcome to the Support Communities!

The article below may be able to help you with this.

Click on the link to see more details and screenshots.

iPhone: Microphone issues

http://support.apple.com/kb/ts5183

Cheers,

- Judy

take a look at this easiest way to fix it.

https://www.youtube.com/watch?v=Fvtxp8VaMpw